Is IP version 6 available for NT/Windows 2000/95/98?

A. IP version 6 was first discussed in 'What is IPv6?'

Microsoft has released an Alpha release of IP version 6 (this is Alpha so noteven Beta state so don't use on any live systems) which can be downloaded from http://research.microsoft.com/msripv6/.It installs on Windows NT and Windows 2000 installations but not Windows 95 or98. The stack does not replace the IP version 4 stack but sits beside itallowing normal IP 4 connectivity to continue unaffected.

You can actually download the source and not just the images if you areinterested.