Ventoy is the ultimate multi-boot USB drive creation tool, in my opinion. I also use PINN, a similar tool for my Raspberry Pi OS installs, but that's for installing multiple OS on the same disk drive.
You can get a Windows 11 ISO and create a bootable install disk. Chris Hemsworth, Alzheimer's and why Hollywood is suddenly ...
If Windows Update says your computer doesn't meet the Windows 11 requirements, you might just need to tweak some settings.