{{IconSet|h2|1}} Download the [[Signing Key|Signing Key]] used to verify {{project_name_short}} packages.

{{CodeSelect|code=
wget https://www.{{project_clearnet}}/keys/derivative.asc
}}

{{IconSet|h2|2}} ''Optional:'' [[Signing Key|Verify the Signing Key]] to improve security assurances.

{{IconSet|h2|3}} Install the {{project_name_short}} signing key into the system keyring so APT can trust the repository.

{{CodeSelect|code=
sudo cp derivative.asc /usr/share/keyrings/derivative.asc
}}

{{IconSet|h2|4}} Review the available {{project_name_short}} APT repository options.

''Optional:'' See [[Packages for Debian Hosts|{{project_name_short}} Packages for Debian Hosts and {{project_name_short}} Host Enhancements]] instead of the next step for more secure and advanced configurations.

{{IconSet|h2|5}} Add the {{project_name_short}} APT repository to the system.

{{CodeSelect|code=
echo "Types: deb
URIs: https://deb.{{project_clearnet}}
Suites: {{Stable project version based on Debian codename}}
Components: main contrib non-free
Enabled: yes
Signed-By: /usr/share/keyrings/derivative.asc" {{!}} sudo tee /etc/apt/sources.list.d/derivative.sources
}}