Thank you! By the way, the newest release is 13.1:
https://github.com/home-assistant/operating-system/releases/download/13.1/haos_generic-aarch64-13.1.qcow2.xz
In addition to this, I had to disable Secure Boot in the setup. In the UEFI Interactive Shell, enter exit and choose:
`Device Manager`
`Secure Boot Configuration`
Disable `Attempt Secure Boot`
Press *ESC* two times.
`Reset`