Since Microsoft changed the release model in Windows 10, users are interested in finding out which build of Windows 10 they have installed on their PCs. As you may already know, Microsoft is not going to release major versions of Windows any more but will ship updates constantly. This is reminiscent of the rolling release model of many Linux distros. If you are part of the Insider program, you need to be even more aware of which build you are using. Our readers regularly ask me how to find the Windows 10 build they are running. Today I will show how.