While installation of Windows you can receive error – cannot install on GPT.

You should find command promt and put commands:

1. diskpart
2. list disk
3. select disk <disk number>
4. clean
5. convert gpt
6. exit

After restart you can install Windows on your HDD

https://learn.microsoft.com/en-us/windows-hardware/manufacture/desktop/windows-setup-installing-using-the-mbr-or-gpt-partition-style?view=windows-11