Turn off the Store application
Supported on: At least Windows Server 2012, Windows 8 or Windows RT
Registry
HKCU
Software\Policies\Microsoft\WindowsStore Value name: RemoveWindowsStore
Enabled: RemoveWindowsStore = 1
Disabled: RemoveWindowsStore = 0
Description
Denies or allows access to the Store application. If you enable this setting, access to the Store application is denied. Access to the Store is required for installing app updates. If you disable or don't configure this setting, access to the Store application is allowed.