Prevent Windows 10 installer from using the preinstalled serial key without disabling UEFI
My laptop (a Lenovo Flex 2 15) came preinstalled with Windows 8 Standard (with the serial key preinstalled into the BIOS), and I’ve since installed an SSD (a Samsung Evo 840 120GB) & upgraded to Windows 10. When the laptop still had its hard drive, I upgraded it to Professional so I could use the…
