# [Tails 7.5](https://tails.net/news/version_7.5/)
# Changes and updates * Update _Tor Browser_ to [15.0.7](https://blog.torproject.org/new-release-tor-browser-1507/). * Simplify the home page of _Tor Browser_. [](https://tails.net/news/version_7.5/home.png) * Update the _Tor_ client to 0.4.9.5. * Update _Thunderbird_ to [140.7.1](https://www.thunderbird.net/en-US/thunderbird/140.7.1esr/releasenotes/). * Install _Thunderbird_ as additional software to improve its security, if you have both the [Thunderbird Email Client](https://tails.net/doc/persistent_storage/configure/index.en.html#thunderbird) and [Additional Software](https://tails.net/doc/persistent_storage/configure/index.en.html#additional_software) features of the Persistent Storage turned on. Until Tails 7.5, a new version of _Thunderbird_ was released by Mozilla only a few days after we released a new version of Tails. As a consequence, the version of _Thunderbird_ in Tails was almost always outdated, with known security vulnerabilities. By [installing _Thunderbird_ as additional software](https://tails.net/doc/anonymous_internet/thunderbird/additional_software/index.en.html), the latest version of _Thunderbird_ is installed automatically from your Persistent Storage each time you start Tails. If the **Thunderbird Migration** dialog below appears when you start _Thunderbird_ , it means that Tails successfully installed _Thunderbird_ as additional software. [](https://tails.net/doc/anonymous_internet/thunderbird/additional_software/success.png) * Include the language pack for Mexican Spanish in _Thunderbird_ in addition to the language pack for Spanish from Spain. For more details, read our [changelog](https://gitlab.tails.boum.org/tails/tails/-/blob/master/debian/changelog). # Get Tails 7.5 ## To upgrade your Tails USB stick and keep your Persistent Storage * Automatic 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](https://tails.net/doc/upgrade/index.en.html#manual). ## To install Tails 7.5 on a new USB stick Follow our installation instructions: * [Install from Windows](https://tails.net/install/windows/index.en.html) * [Install from macOS](https://tails.net/install/mac/index.en.html) * [Install from Linux](https://tails.net/install/linux/index.en.html) * [Install from Debian or Ubuntu using the command line and GnuPG](https://tails.net/install/expert/index.en.html) The Persistent Storage on the USB stick will be lost if you install instead of upgrading. ## To download only If you don't need installation or upgrade instructions, you can download Tails 7.5 directly: * [For USB sticks (USB image)](https://tails.net/install/download/index.en.html) * [For DVDs and virtual machines (ISO image)](https://tails.net/install/download-iso/index.en.html) URL: <https://tails.net/news/version_7.5/>
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