To quickly see the edition, version and build of Windows Vista running on your system, simply run the command C:\Windows\system32\winver.exe. It will also provide you the "registered to" name and company as entered during installation as well as the amount of physical memory available to Windows.

Alternatively, you can hit the Windows button, type "winver" and hit enter. This operation takes the file "winver" and runs it from the search box that appears in the start menu. A time saving tip if you don't know already-- you can hit the Windows Key and just start typing away, hit enter to run the top search result returned or to run the command as you could with the "Run" dialog (Win-R).