In the **About Tails** utility, you can click **Check for Upgrades** to check whether a new version of Tails is available. This check is also done automatically every time you start Tails and connect to the Tornetwork.
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The advantages of this techniqueautomatic upgrades are the following:
- If an error occurs while installing the upgrade, *Tails Upgrader* asks you to visit:
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If another error occur while upgrading or if your Tails USB stick fails to start after an automatic upgrade, see below how towe recommend that you do a manual upgrade instead. See below.
If another error occur while upgrading or if your TailsUSB stick fails to start after an automatic upgrade, we recommend that you do a manual upgrade instead. See below.
<p>You can also do a manual upgrade to reduce the size of future automatic upgrades.</p>
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<p>When doing automatic upgrades, the size of the download increases over time. If you do a manual upgrade, the size of future automatic upgrades will become smaller again.</p>
<p>When doing automatic upgrades, the size of the download increases over time. If you do a manual upgrade, the size of future automatic upgrades will become smaller again.</p>
<p>We estimated that, to actually reduce the overall download size, it's only worth it to do 1 manual upgrade every year if you apply all upgrades of Tails.</p>
<span class="hide">[[!toggle id="why_extra" text=""]]</span> <p>It is currently impossible to manually upgrade a TailsUSB stick while running from itself. This scenario requires creating an intermediary Tails on another USB stick, from which to upgrade your Tails.</p>
