[[!meta title="Installing additional software"]]

[[!toc levels=2]]

When starting Tails, [[set up an administration password|doc/first_steps/welcome_screen/administration_password]].

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Examples of additional useful software

<a id="language-packages"></a>

Installing additional software

To install a package using *Synaptic*:

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Installing additional software automatically when starting Tails

[[!img add.png class="screenshot" alt=""]]

Checking your list of additional software

Removing additional software

[[!img remove.png class="screenshot" alt=""]]

<p class="command">sudo apt clean</p>

<p class="command">sudo install -d -m 755 /live/persistence/TailsData_unlocked/apt-sources.list.d</p>

For example, to add
the `non-free` sections of Debian 13 (Trixie), backports, and security
updates, you can create a file named
*/live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list*
with the following content:

deb tor+http://ftp.us.debian.org/debian/ trixie non-free
deb tor+http://security.debian.org/ trixie-security non-free
deb tor+http://ftp.us.debian.org/debian/ trixie-updates non-free
deb tor+http://ftp.us.debian.org/debian/ trixie-backports non-free

<p class="command">sudo chown root:root /live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list</p>