The following lists the files you will need for installing new WalT nodes, as specified at https://walt.readthedocs.io/en/latest/node-install.html.

Node Model Installation file
Raspberry Pi 5B rpi-5-sd-recovery.tar.gz
Raspberry Pi 4B rpi-4-sd-recovery.tar.gz
Old Raspberry Pi boards (< 3B+) rpi-sd-files.tar.gz
PC node pc-usb.dd.gz
Google Coral dev Board coral-devb-boot.tar.gz

Note: those files are generated from this source repo.