Microsoft Store app download fails after Operating System reinstall

The following solution is for advanced users. Before following these steps, set a Windows Restore Point. Reset or reinstall Windows 10 on your Dell computer

* Click left Windows Start
* Type cmd
* Command Prompt will appear, click "Run as administrator"
* You are now in the black Command Prompt section

* The StoreContentModifier in the second command below can be DELL_XPS or DELL_INSPIRON or DELL_ALIENWARE or DELL_VOSTRO. So you have to add your specific model in the command

* Type this line and when done [press Enter] =

C:\WINDOWS\system32>REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Store" /v OEMID /f /t REG_SZ /d DELL

* Type this line and when done [press Enter] =

C:\WINDOWS\system32>REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Store" /v StoreContentModifier /f /t REG_SZ /d "System_Name"

* Exit Command Prompt and restart the PC