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Sign in problems caused by incorrect time - Microsoft Windows Help
Learn how to identify if your PC clock is out of sync and how to fix the problem.
Why can't I find or install an app from the Windows Store?
Learn why you might not be able to find or install some of the apps in the Windows Store.
Apps in the Windows Store - Microsoft Windows
Learn how to explore, browse, and search the Windows Store and discover great apps for Windows 8 and Windows RT.