Blitz3D+ Ubuntu 24.04+ repository Verify this signing fingerprint through the Blitz3D+ website before enrollment: F585BCA8EE8335E66953475F03227B96BA605DF9 Download blitz3d-plus.gpg, blitz3d-plus.sources, blitz3d-plus.pref and update.json from this directory. Then run in the download directory: sudo install -d -m 755 /etc/apt/keyrings /etc/blitz3d-plus sudo install -m 644 blitz3d-plus.gpg /etc/apt/keyrings/ sudo install -m 644 blitz3d-plus.sources /etc/apt/sources.list.d/ sudo install -m 644 blitz3d-plus.pref /etc/apt/preferences.d/ sudo install -m 644 update.json /etc/blitz3d-plus/ sudo apt update sudo apt install blitz3d-plus Manual download signatures: gpgv --keyring ./blitz3d-plus.gpg manual-downloads.json.asc manual-downloads.json Paths in manual-downloads.json are relative to https://downloads.blitz3d.plus/updates/apt/.