Use (free tool) to write the ISO to a USB drive (minimum 8 GB). For an Ultralight install, choose MBR partition scheme for BIOS or UEFI unless you have a modern UEFI-only system.
How does stack up against similar projects? Windows 10 22H2 19045.5198 Pro Ultralight
Since this is not an official Microsoft ISO, you must source it from reputable community modding groups. Use (free tool) to write the ISO to