To check which version of Tails you are currently running, choose <span class="menuchoice"> <span class="guimenu">Applications</span> ▸ <span class="guisubmenu">Tails</span> ▸ <span class="guimenuitem">About Tails</span></span>.
After starting Tails and connecting to Tor, <span class="application">Tails Upgrader</span> automatically checks if upgrades are available and then proposes you to upgrade your USB stick. The upgrades are checked for and downloaded through Tor.
<p>If you cannot upgrade at startup (for example, if you have no network connection by then), you can start <span class="application">Tails Upgrader</span> later by opening a terminal and executing the following command:</p>