Home › Forums › SharewareOnSale Deals Discussion › EasyUEFI Professional / Aug 15 2017 › Reply To: EasyUEFI Professional / Aug 15 2017 Aug 15, 2017 at 8:18 pm #8681745 Quote danGuest How do I know whether or not my PC (nearly 10 years old!) is using UEFI and not BIOS? I know how to go to my BIOS screen – is there a UEFI screen that is supposed to replace it?