Add Windows Store for LTSC2021
Note:
Microsoft.StorePurchaseApp: CategoryID=214308d7-4262-449d-a78d-9a2306144b11
Microsoft.WindowsStore: ProductId=9WZDNCRFJBMP
Microsoft.DesktopAppInstaller: ProductId=9NBLGGH4NNS1
Microsoft.XboxIdentityProvider: ProductId=9WZDNCRD1HKW
Online link generator for Microsoft Store