[Tails is part of the [Tor Project: FAQ](https://www.torproject.org/docs/faq.html.en).

Tails is part of the [Tor Project](https://torproject.org/).

Is Java installed in the Tor browser?
---------------------------------------<h2 id="dedicated-stick">Do I need a USB stick dedicated to Tails?</h2>

<h2 id="dedicated-stick">Do I need a USB stick dedicated to Tails?</h2>

Can I install other add-ons in the browser?<h2 id="upgrade">Should I update Tails using <code>apt upgrade</code> or <i>Synaptic</i>?</h2>

<h2 id="upgrade">Should I update Tails using <code>apt upgrade</code> or <i>Synaptic</i>?</h2>

Can I verify the integrity of a Tails device?<h2 id="preinstalled">Can I buy a preinstalled Tails USB stick or DVD?</h2>

<h2 id="preinstalled">Can I buy a preinstalled Tails USB stick or DVD?</h2>

<h2 id="integrity">Can I verify the integrity of a Tails device?USB stick or DVD?</h2>

<h2 id="integrity">Can I verify the integrity of a Tails USB stick or DVD?</h2>

<h2 id="javascript">Why is JavaScript enabled by default in <span class="application"i>Tor Browser</spani>?</h2>

<h2 id="javascript">Why is JavaScript enabled by default in <i>Tor Browser</i>?</h2>

<h2 id="add-ons">Can I install other add-ons in the browser?<i>Tor Browser</i>?</h2>

<h2 id="add-ons">Can I install other add-ons in <i>Tor Browser</i>?</h2>

<div class="next">
<ul>
<li>[[Warnings about persistence|doc/first_steps/persistence/warnings#index3h1]]</li>
<li>[[Browsing the web with Iceweasel<i>Tor Browser</i>|doc/anonymous_internet/Tor_browser]]</li>
<li>[[Can I hide the fact that I am using Tails?|doc/about/fingerprint/]]</li>
</ul>
</div>

<div class="next">
<ul>
<li>[[Browsing the web with <i>Tor Browser</i>|doc/anonymous_internet/Tor_browser]]</li>
</ul>
</div>

Can I install other add-ons in the browser?<h2 id="update-add-ons">Should I manually update add-ons included in <i>Tor Browser</i>?</h2>

<h2 id="update-add-ons">Should I manually update add-ons included in <i>Tor Browser</i>?</h2>

As explained in our documentation about [[the fingerprinting|doc/about/ of *Tor Browser* in Tails|doc/anonymous_internet/Tor_Browser#fingerprint]], Tails provides anonymity on the web by making it difficult to distinguish a particular user amongst all the users of Tails and the Tor Browser Bundle (TBByou from other users of *Tor Browser* (either in Tails or on other operating systems).

As explained in our documentation about [[the fingerprint of *Tor Browser* in Tails|doc/anonymous_internet/Tor_Browser#fingerprint]], Tails provides anonymity by making it difficult to distinguish you from other users of *Tor Browser* (either in Tails or on other operating systems).

For more information, sIn the future, we want to add another browser in Tails that would use a VPN
instead of Tor. See our [[!tails_blueprint desc="blueprint on VPN support"
VPN-support]].

In the future, we want to add another browser in Tails that would use a VPN
instead of Tor. See our [[!tails_blueprint desc="blueprint on VPN support"
VPN-support]].

<h2 id="htp">Why does Tails automatically connect to several websites when starting?</h2>

<h2 id="htp">Why does Tails automatically connect to websites when starting?</h2>

UsBeing a VPNble to connect to Tor (VPN before Tor)the Tor network.

Being able to connect to the Tor network.

This second synchronization is made by sending HTTPS queries through Tor to severals
websites and deducing a correct time from their answers. TheYou can see the
list of websites that could be queried in this process can be found in `Tails can connect to in *[[!tails_gitweb config/chroot_local-includes/etc/default/htpdate.pools desc="/etc/default/htpdate`.pools"]]*.

This second synchronization is made by sending HTTPS queries through Tor to several
websites and deducing a correct time from their answers. You can see the
list of websites that Tails can connect to in *[[!tails_gitweb config/chroot_local-includes/etc/default/htpdate.pools desc="/etc/default/htpdate.pools"]]*.

This is currently not possible easily using Tails.<h2 id="relay">Can I help the Tor network by running a relay or a bridge in Tails?</h2>

<h2 id="relay">Can I help the Tor network by running a relay or a bridge in Tails?</h2>

Is Java installed in the Tor browser?
---------------------------------------<h2 id="onion-service">Can I run a Tor onion service from Tails?</h2>

<h2 id="onion-service">Can I run a Tor onion service from Tails?</h2>

Is Java installed in the Tor browser?
---------------------------------------<h2 id="ping">Can I use <code>ping</code> in Tails?</h2>

<h2 id="ping">Can I use <code>ping</code> in Tails?</h2>

S<h1 id="software not i">Included in Tailssoftware</h1>

<h1 id="software">Included software</h1>

<p>If a software is not included in Tails, but is included in Debian, you can use
the [[aAdditional s
Software|doc/first_steps/persistenct_storage/configure#additional_software]] feature of
the pPersistent volumStorage to install it automatically at the beginning of each working session.every time you start Tails.</p>

<p>If a software is not included in Tails, but is included in Debian, you can use
the [[Additional
Software|doc/persistent_storage/configure#additional_software]] feature of
the Persistent Storage to install it automatically every time you start Tails.</p>

We try to limit the growth of the ISO images and automatic upgrades.

We try to limit the growth of the images and automatic upgrades.