Changes and updatesUpdate Tor Browser to 15.0.7.Simplify the home page of Tor Browser.Update the Tor client to 0.4.9.5.Update Thunderbird to 140.7.1.Install Thunderbird as additional software to improve its security, if you have both the Thunderbird Email Client and Additional Software features of the Persistent Storage turned on.Until Tails 7.5, a new version of Thunderbird was released by Mozilla only afew days after we released a new version of Tails. As a consequence, theversion of Thunderbird in Tails was almost always outdated, with knownsecurity vulnerabilities.By installing Thunderbird as additionalsoftware,the latest version of Thunderbird is installed automatically from yourPersistent Storage each time you start Tails.If the Thunderbird Migration dialog below appears when you startThunderbird , it means that Tails successfully installed Thunderbird asadditional software.Include the language pack for Mexican Spanish in Thunderbird in addition to the language pack for Spanish from Spain.For more details, read ourchangelog.Get Tails 7.5To upgrade your Tails USB stick and keep your Persistent StorageAutomatic upgrades are available from Tails 7.0 or later to 7.5.If you cannot do an automatic upgrade or if Tails fails to start after an automatic upgrade, please try to do a manual upgrade.To install Tails 7.5 on a new USB stickFollow our installation instructions:Install from WindowsInstall from macOSInstall from LinuxInstall from Debian or Ubuntu using the command line and GnuPGThe Persistent Storage on the USB stick will be lost if you install instead ofupgrading.To download onlyIf you don't need installation or upgrade instructions, you can download Tails7.5 directly:For USB sticks (USB image)For DVDs and virtual machines (ISO image)Support and feedbackFor support and feedback, visit the Supportsection on the Tails website. tails releases