nostr:npub1ey2ys0ug5czkwqrfl6ddmpr5y78w803sgzpxxe7waq339v0krz6sdzm7n2 It depends.

The easiest way to install it is to run the pre-built image under qemu, which works on all computers: https://www.gnu.org/software/hurd/

It does work on real hardware, but for now, only on computers where ACPI and other things behave well enough.