>The only solution to making me happy again would seem to download Ubuntu, mount it to a USB thumb drive, and get it installed. Had I known that Windows 10 doesn’t utilize BIOS, but has replaced it with UEFI (Unified Extensible Firmware Interface), which is a secure boot option that validates programs before giving them permission to run, I wouldn’t have wasted two more days of my life trying to install my favorite o…
He's probably preparing the thumbdrive the old-fashion way, jusr dd'ing the iso into it. You need a modern prep tool that's UEFI-compatible for it to boot on new hardware.