This is a simple Debian repository for the box64 project. New versions are compiled every 24 hours if a new commit has been made.
These debs have been compiled using RPiOS arm64 (Debian Buster). They should work on both debian Buster and Bullseye.
Involves adding .list file and gpg key for added security.
sudo wget https://ryanfortner.github.io/box64-debs/box64.list -O /etc/apt/sources.list.d/box64.list
wget -O- https://ryanfortner.github.io/box64-debs/KEY.gpg | gpg --dearmor | sudo tee /usr/share/keyrings/box64-debs-archive-keyring.gpg
sudo apt update && sudo apt install box64 -y