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Windows 10 (20H1) Build Tracker for PCs
We track the history of the development builds released for the 20H1 feature update for Windows 10 which is scheduled for release in the March/April 2020 time frame.
58 Slides
Releasing Windows 10 Insider Preview Build 19041.264 to the Slow & Release Preview Rings
Slow Ring Release Date: May 12, 2020
Days Since Last Slow Ring Release Date: 20 Days (19041.208)
Release Preview Release Date: May 12, 2020
Days Since Last Release Preview Ring Release Date: 12 Days (19041.208)
Note: N/A
Getting the May 2020 Update Ready for Release – UPDATED
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: April 30, 2020
Days Since Last Release Preview Ring Release Date: N/A - First Release Preview Ring Release
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19041.208 to the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 22 April 2020
Days Since Last Slow Ring Release Date: 08 Days (Build 19041.207)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Getting the May 2020 Update Ready for Release
Release Preview Release Date: April 16, 2020
Days Since Last Release Preview Ring Release Date: N/A - First RP Release
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19041.207 to the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 14 April 2020
Days Since Last Slow Ring Release Date: 5 Days (Build 19041.173)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19041.173 to the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 09 April 2020
Days Since Last Slow Ring Release Date: 14 Days (Build 19041.172)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19041.172 to the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 26 March 2020
Days Since Last Slow Ring Release Date: 13 Days (Build 19041.153)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19041.153 to the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 13 March 2020
Days Since Last Slow Ring Release Date: 15 Days (Build 19041.113)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19041.113 to the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 27 February 2020
Days Since Last Slow Ring Release Date: 16 Days (Build 19041.84)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19041.84 to the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 11 February 2020
Days Since Last Slow Ring Release Date: 28 Days (Build 19041.21)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19041.21 to the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 14 January 2020
Days Since Last Slow Ring Release Date: 35 Days (Build 19041)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 19041
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 10 December 2019
Days Since Last Fast Ring Release: 04 Days (Build 19037)
Slow Ring Release Date: 10 December 2019
Days Since Last Slow Ring Release Date: 04 Days (Build 19037)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: 25 February 2020
Days Since Last ISO Release Date: 83 Days (19035)
Note: N/A
Announcing Windows 10 Insider Preview Build 19037
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 06 December 2019
Days Since Last Fast Ring Release: 02 Days (Build 19035)
Slow Ring Release Date: 06 December 2019
Days Since Last Slow Ring Release Date: 02 Days (Build 19035)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 19035
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 04 December 2019
Days Since Last Fast Ring Release: 08 Days (Build 19033)
Slow Ring Release Date: 04 December 2019
Days Since Last Slow Ring Release Date: 08 Days (Build 19033)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: 10 December 2019
Days Since Last ISO Release Date: 35 (Build 19013)
Note: N/A
Announcing Windows 10 Insider Preview Build 19033
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 26 November 2019
Days Since Last Fast Ring Release: 04 Days (Build 19030)
Slow Ring Release Date: 26 November 2019
Days Since Last Slow Ring Release Date: 04 Days (Build 19025.1052)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19025.1052 into the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 22 November 2019
Days Since Last Slow Ring Release Date: 02 Days (Build 19025.1051)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 19030
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 22 November 2019
Days Since Last Fast Ring Release: 02 Days (Build 19028)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19025.1051 into the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 20 November 2019
Days Since Last Slow Ring Release Date: 09 Days (Build 19013)
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 19028
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 20 November 2019
Days Since Last Fast Ring Release: 05 Days (Build 19025)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 19025
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 15 November 2019
Days Since Last Fast Ring Release: 03 Days (Build 19023)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 19023
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 12 November 2019
Days Since Last Fast Ring Release: 07 Days (Build 19018)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Releasing Windows 10 Insider Preview Build 19013 into the Slow ring
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: 11 November 2019
Days Since Last Slow Ring Release Date: N/A - First Slow Ring Release for 20H1
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 19018
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 05 November 2019
Days Since Last Fast Ring Release: 08 Days (Build 19013)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 19013
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 29 October 2019
Days Since Last Fast Ring Release: 07 Days (Build 19008)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: 04 November 2019
Days Since Last ISO Release Date: 32 Days
Note: N/A
Announcing Windows 10 Insider Preview Build 19008
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 22 October 2019
Days Since Last Fast Ring Release: 05 Days (Build 19002)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 19002
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 17 October 2019
Days Since Last Fast Ring Release: 09 Days (Build 18999)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 18999
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 08 October 2019
Days Since Last Fast Ring Release: 07 Days (Build 18995)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 18995
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 01 October 2019
Days Since Last Fast Ring Release: 09 Days (Build 18990)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 18990
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 24 September 2019
Days Since Last Fast Ring Release: 05 Days (Build 18985)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: 03 October 2019
Days Since Last ISO Release Date: 31 Days (Build 18970)
Note: N/A
Announcing Windows 10 Insider Preview Build 18985
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 19 September 2019
Days Since Last Fast Ring Release: 08 Days (Build 18980)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 18980
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 11 September 2019
Days Since Last Fast Ring Release: 05 Days (Build 18975)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 18975
Skip Ahead Ring Release Date: N/A
Days Since Last Skip Ahead Ring Release: N/A
Fast Ring Release Date: 06 September 2019
Days Since Last Fast Ring Release: 08 Days (Build 18970.1005)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: N/A
Announcing Windows 10 Insider Preview Build 18965.1005
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 22 August 2019
Days Since Last Fast Ring Release: 01 Days (Build 18965)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: This is a Cumulative Update (KB4517787) to test the serviving pipeline for larger cumulative updates. There are no new features in this update.
Announcing Windows 10 Insider Preview Build 18965
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 21 August 2019
Days Since Last Fast Ring Release: 05 Days (Build 18963)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18963
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 16 August 2019
Days Since Last Fast Ring Release: 09 Days (Build 18956)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18956
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 07 August 2019
Days Since Last Fast Ring Release: 08 Days (Build 18950)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18950
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 31 July 2019
Days Since Last Fast Ring Release: 05 Days (Build 18945)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: 06 August 2019
Days Since Last ISO Release Date: 27 Days (Build 18936)
Announcing Windows 10 Insider Preview Build 18945
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 26 July 2019
Days Since Last Fast Ring Release: 08 Days (Build 18941)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18941
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 18 July 2019
Days Since Last Fast Ring Release: 08 Days (Build 18936)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18936
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 10 July 2019
Days Since Last Fast Ring Release: 07 Days (Build 18932)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18932
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 03 July 2019
Days Since Last Fast Ring Release: 14 Days (Build 18922)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: 09 July 2019
Days Since Last ISO Release Date: N/A - First 20H1 ISO Release
Announcing Windows 10 Insider Preview Build 18922
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 19 June 2019
Days Since Last Fast Ring Release: 07 Days (Build 18917)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18917
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 12 June 2019
Days Since Last Fast Ring Release: 07 Days (Build 18912)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18912
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 05 June 2019
Days Since Last Fast Ring Release: 07 Days (Build 18908)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: 11 June 2019
Days Since Last ISO Release Date: N/A - First 20H1 ISO Release
Announcing Windows 10 Insider Preview Build 18908
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 29 May 2019
Days Since Last Fast Ring Release: 14 Days (Build 18898)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18898
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 15 May 2019
Days Since Last Fast Ring Release: 05 Days (Build 18895)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18895
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 10 May 2019
Days Since Last Fast Ring Release: 02 Days (Build 18894)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18894
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 08 May 2019
Days Since Last Fast Ring Release: 07 Days (Build 18890)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18890
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 01 May 2019
Days Since Last Fast Ring Release: 05 Days (Build 18885)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18885
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 26 April 2019
Days Since Last Fast Ring Release: 16 Days (Build 18875)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18875
Skip Ahead Ring Release Date:
Days Since Last Skip Ahead Ring Release:
Fast Ring Release Date: 10 April 2019
Days Since Last Fast Ring Release: 14 Days (Build 18865)
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Note: Microsoft has merged the 20H1 Skip Ahead ring back to Fast with this build.
Announcing Windows 10 Insider Preview Build 18865
Skip Ahead Ring Release Date: 27 March 2019
Days Since Last Skip Ahead Ring Release: 07 Days (Build 18860)
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18860
Skip Ahead Ring Release Date: 20 March 2019
Days Since Last Skip Ahead Ring Release: 07 Days (Build 18855)
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18855
Skip Ahead Ring Release Date: 13 March 2019
Days Since Last Skip Ahead Ring Release: 07 Days (Build 18850)
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18850
Skip Ahead Ring Release Date: 06 March 2019
Days Since Last Skip Ahead Ring Release: 06 Days (Build 18845)
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18845
Skip Ahead Ring Release Date: 28 February 2019
Days Since Last Skip Ahead Ring Release: 06 Days (Build 18841)
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18841
Skip Ahead Ring Release Date: 22 February 2019
Days Since Last Skip Ahead Ring Release: 08 Days (Build 18836)
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18836
Skip Ahead Ring Release Date: 14 February 2019
Days Since Last Skip Ahead Ring Release: N/A - First 20H1 Release
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: N/A
Days Since Last Slow Ring Release Date: N/A
Release Preview Release Date: N/A
Days Since Last Release Preview Ring Release Date: N/A
ISO Release Date: N/A
Days Since Last ISO Release Date: N/A
Announcing Windows 10 Insider Preview Build 18836
Skip Ahead Ring Release Date: 14 February 2019
Days Since Last Skip Ahead Ring Release: N/A - First 20H1 Release
Fast Ring Release Date: N/A
Days Since Last Fast Ring Release: N/A
Slow Ring Release Date: N/A
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Microsoft released the May 2020 Update, aka Windows 10 (Version 2004), for general availability on May 27, 2020.
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Microsoft's Windows Insider Program allows IT pros, system admins and enthusiasts to test pre-release versions of the next major feature update for Windows 10.
The first feature update expected in the first half of 2020 will be developed under the code name 20H1. While we do not know what major feature updates will be included as part of this development cycle for Windows 10, we do know that Microsoft is getting out ahead of its development much earlier than normal.
Microsoft develops feature updates for Windows 10 using a series of rings to test each build with various testers, commonly referred to as Windows Insiders.
Each ring has varying levels of risk concerning potential bugs or system instabilities that the testers could experience. This three ringed process consists of the Slow, Fast, and Skip Ahead Rings.Â
For the first time in the more than three years of developing Windows 10, Microsoft is using the Skip Ahead ring to actually skip ahead to the feature update (20H1) after the next feature update (19H2).
Note: Microsoft has indicated that builds for the 19H2 feature update, expected later this year, will begin shortly after the current 19H1 feature update is nearly complete. Of course, we will have tracker available once those builds start becoming available publicly to testers.
Windows 10 19H1 Build Tracker for PCs
There is often no indication that a build will be released until it is announced by the Windows Insider team and there is no schedule for when these builds will be flighted, Microsoft's process of evaluating a build for public release, but weekly releases are the norm in most circumstances.
Here at ITPro Today we track these build releases during each development cycle and this gallery documents the sequence of those releases from Microsoft. The builds will be listed in the order they have been released by Microsoft, with the latest build listed first. Just click through the gallery images to see the sequence of builds along with the build number, date of release, and a link to the release notes for that build.
Note: All update information is courtesy of Microsoft.
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