Windows 10: Windows code says "Product key used on another device"

I tried to activate windows 11 Pro N using 11 Pro I dont know why i selected 11 pro N without knowing the difference when i installed windows on my new pc a few days ago then i was told i couldnt do that so i just did a clean install of windows. In the new install, the dark blue screen came asked if i had a code, I entered the Win 11 Pro code i had and just continued the process. a few minutes after windows was installed I checked to see if its activated. It wasn't and said used on another device. I didnt know how to fix it so i just tried to google and saw none of the solutions worked. I go

:)

 

Using the current device's product key on my another device.

On old PC:
Uninstall retail product key:

1. Disable secure boot(if turned on in BIOS)
2. Boot into Windows
3. Enter slmgr /upk and wait for this to complete. This will uninstall the current product key from Windows and put it into an unlicensed state.
4. Enter slmgr /cpky and wait for this to complete. This will remove the product key from the registry if it's still there.
5. Restart
6. Wait a little while and then use the retail key on the new machine.
7. Set up secure boot(recommended)

Your old machine should go back to home, or you might need to do a clean install, I'm not sure there.

 

Using the current device's product key on my another device.

Hello,
I tried this before. On newer PC, activation was unsuccessful.

 

Product Key

Keys are not required for the upgrade process. Windows 10 has a built-in generic key which it uses to install - it acquires the underlying Win7/Win8 activation during the upgrade process and assigns your device ID as a valid Windows 10 activated device. Subsequent installs will thus activate using your device ID. You will not require a key - should you be prompted, select "skip". Activation is automatic thereafter.

See step 6 here: https://www.tenforums.com/tutorials/1...n-install.html