Hello, i had problem with upgrading from Windows 8 to Windows 10 on my Toshiba Z20 convertable, because i had installed some Linux and MacOS on it and Microsoft is sniffing around and error code is generic i now upgraded internal storage to something bigger (i copied only Windows 8 partition for try), i just need to create Windows 8 EFI boot partition or somehow change to start Windows EFi instead of Grub which is targeted on now present partition.   I now that desktop MBs have such pross