Browse locally with the <span class="application">*Synaptic Package Manager</span>*:

Browse locally with the *Synaptic Package Manager*:

- Search the Internet for alternatives to other software.

Search the Internet for alternatives to other software.

- Ask a friend who is knowledgeable about Linux.

Ask a friend who is knowledgeable about Linux.

- Search the [Debian website](https://www.debian.org/distrib/packages#search_packages).

Search the [Debian website](https://www.debian.org/distrib/packages#search_packages).

Some software might, for example, modify the firewall and break the security built into Tails. But other software like games or office tools are probably fine.

Some software might, for example, modify the firewall and break the security built into Tails. But other software like games or office tools are probably fine.

Replace <span class="command-placeholder">lang</span> with the code for your
language. For example, <span class="command">es</span> for Spanish or
<span class="command">de</span> for German`vi` for Vietnamese.

Replace <span class="command-placeholder">lang</span> with the code for your
language. For example, `vi` for Vietnamese.

for <span class="application">LibreOffice</span>: <span class="command"*LibreOffice* language package: <code>libreoffice-l10n-<span class="command-placeholder">lang</span></spancode>

*LibreOffice* language package: <code>libreoffice-l10n-<span class="command-placeholder">lang</span></code>

for <span class="application">Thunderbird</span>: <span class="command"*Thunderbird* language package: <code>thunderbird-l10n-<span class="command-placeholder">lang</span></spancode>

*Thunderbird* language package: <code>thunderbird-l10n-<span class="command-placeholder">lang</span></code>

<span class="command"*Hunspell* dictionary: <code>hunspell-<span class="command-placeholder">lang</span></spancode>

*Hunspell* dictionary: <code>hunspell-<span class="command-placeholder">lang</span></code>

The <span class="command">hunspell</span>*Hunspell* dictionaries are used for
spell-checking by <span class="application">Tor Browser</span>,
<span class="application">LibreOffice</span>,
<span class="application">*Tor Browser*,
*LibreOffice*, *Thunderbird</span>*, and many other applications.

The *Hunspell* dictionaries are used for spell-checking by *Tor Browser*,
*LibreOffice*, *Thunderbird*, and many other applications.

To install a package using <span class="application">Synaptic</span>:
*Synaptic*:

To install a package using *Synaptic*:

<p>If you are comfortable with the command line, you can use the <span
class="command">apt</span> command<code>apt</code> instead.</p>

<p>If you are comfortable with the command line, you can use <code>apt</code> instead.</p>

<span <p class="command">hunspell--template">torsocks <span class="command-placeholder">langapplication</span></span>p>

<p class="command-template">torsocks <span class="command-placeholder">application</span></p>

<p class="command">torsocks mumble</p>

<p class="command">torsocks mumble</p>

To see which packages are installed automatically
every time you start Tails, choose <span class="menuchoice">
<span class="guimenu">Applications</span>&nbsp;▸
<span class="guisubmenu">System Tools</span>&nbsp;▸
<span class="guimenuitem">**Apps&nbsp;▸ System Tools&nbsp;▸ Additional Software</span></span>.
**.

To see which packages are installed automatically every time you start Tails, choose **Apps&nbsp;▸ System Tools&nbsp;▸ Additional Software**.

InstallUsing a*Additional sSoftware*:

Using *Additional Software*:

To see which packages are installed automatically
every time you start Tails, choose <span class="menuchoice">
<span class="guimenu">Applications</span>&nbsp;▸
<span class="guisubmenu">System Tools</span>&nbsp;▸
<span class="guimenuitem">Choose **Apps&nbsp;▸ System Tools&nbsp;▸ Additional Software</span></span>.
**.

Choose **Apps&nbsp;▸ System Tools&nbsp;▸ Additional Software**.

From the command line using <span class="application">apt</span>`apt`.

From the command line using `apt`.

<p>Configuring additional APT repositories might break the security built into
Tails and might install software that has not even been approved by Debian. Be even more careful
with what you install.</p>

<p>Configuring additional APT repositories might break the security built into
Tails and might install software that has not even been approved by Debian. Be even more careful
with what you install.</p>

Write your additional `sources.list` files in the <span class="filename">apt-sources.list.d</span> folder. For example, to add the `non-free` sections of Debian 10 (Buster3 (Trixie), backports, and security updates, you can create a file named <span class="filename"> */live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list</span>*
with the following content:

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: