Right-click on a space on the right-hand side and go to New > DWORD Value. Name this DWORD AutoDownload and assign it the value of 2.
Reboot system
Disable auto-updating of Microsoft Store apps from the Group Policy Object Editor
Run gpedit.msc
Navigate to Local Computer Policy > Computer Configuration > Administrative Templates > Windows Components > Store
Double-click on Turn off automatic download and install of updates select the Enabled then OK
Reboot system