Q: How can I check if I have Office 2010 Service Pack 1 installed?

A: When you install Office 2010 Service Pack 1, there might not seem to be any obvious indication the service pack is installed in the Help information. If you click the text Additional Version and Copyright Information, as shown below, you can see detailed information, including the service pack version.

You can also tell by the build numbers:

Learn more from "Deploying Office 2010" and "Office 2010 Not Resting on Its Laurels."