I followed the instructions given in this page and wrote the ISO to a 16 gb USB stick using dd. The USB stick is now formatted to iso9660 containing the Qubes ISO. I restarted the computer to get into the UEFI menu and chose the USB stick as the top choice for booting into the PC, but it doesn’t boot from the USB stick regardless what I do. Does anyone have a solution for this?
I followed your advice and re-flashed the usb with the newer version and used the modified command you provided. I was able to finally install Qubes by disabling secure boot, but I got a few error messages which disappeared quickly under the installation.
This is what the Qubes menu looks like for me after the installation: