New install:
Download any .iso file from: ( for debian 12)
https://www.debian.org/releases/bookworm/debian-installer/
Cp to usb stick
https://www.debian.org/releases/bookworm/amd64/ch04s03.en.html
# cp debian.iso /dev/sdX
# sync
Insert usb to PC to boot and install
Upgrade
Upgrade to debian 12
https://www.makeuseof.com/upgrade-to-debian-12-bookworm-from-debian-11/
