Boot into the Windows installer On the first screen press SHIFT + F10 # diskpart # list disk # select disk 0 # list part Look for the Windows partition # select part 3 # assign letter=W # format quick fs=NTFS # list volume Look for the EFI volume # select volume 2 # assign letter=Z # exit # D: Goto the USB installer of Windows # cd D:\sources # dir install* The file install.