Sign out from the Microsoft store, Restart your PC then sign in again to the Microsoft Store using your Microsoft Credentials.Check the date & time zone settings is correct and are configured accordingly your local time zone.You must ensure that the internet connection works normally and that there is no problem with either traffic or DNS. Another configuration that you must check on your computer is the Internet connection.Make sure that the device not connected to a VPN that may be regionally limiting the download.We recommend to check and verify that the firewall of antivirus is not blocking any process of the Microsoft Store or temporarily Disable antivirus software.Restart the PC fixes the temporary glitch that may prevent windows download apps or games.If you are also struggling with similar problem, while visit the Microsoft Store to download one or more games to your Windows 10 device, but some of the games Install buttons are greyed out, then you’re at the right place for a fix to this issue. Windows Store Install button is greyed outįrom a compatibility failure to failure with an update, an unexpected crash, problems with dependencies and even an antivirus may the reason why the Microsoft Store may fail or store downloads are blocked. 1 Windows Store Install button is greyed out.