If you have this error, when you install windows 10:
Windows cannot be installed on this disk. The selected disk is of the GPT partition style.
you can resolve in this way:
Select in your Disk installer (of win 10)
after select the windows version that you want install and press the button "Uppercase + F10"
when prompt command will be ready you digit the following:
- diskpart
- list disk
- select disk <disk number>
- clean
- convert gpt
- exit
Now you can continue to install win 10.