If you don’t have a bootable media and have an ISO file instead, you can follow our how to prepare Windows 8.1 bootable USB drive from ISO file guide or use free tools like Microsoft USB/DVD Download Tool or Rufus to prepare the bootable media.Īnd if your PC supports UEFI (see how to check if your PC supports UEFI), you need to follow instructions in our how to install Windows 8.1 from USB drive guide to prepare UEFI compatible bootable USB. If you already have Windows 8.1 DVD or USB, you can skip to the next step.
Step 1: First step is to prepare Windows 8.1 bootable media.
