# [Tails 7.7](https://tails.net/news/version_7.7/)
# New feature ## Detection of outdated Secure Boot certificates Since 2023, [Microsoft has started replacing](https://support.microsoft.com/en-us/topic/windows-secure-boot- certificate-expiration-and-ca-updates-7ff40d33-95dc-4c3c-8725-a9b95457578e) the Secure Boot certificates originally issued in 2011. These older certificates begin expiring in June 2026. Tails now notifies you if the computer that you are using [has outdated Secure Boot certificates and needs an update](https://tails.net/support/known_issues/secure_boot_certificates/index.en.html). [](https://tails.net/support/known_issues/secure_boot_certificates/secure_boot_update_needed.png) # Changes and updates * Update _Tor Browser_ to [15.0.10](https://blog.torproject.org/new-release-tor-browser-15010/). * Update _Thunderbird_ to [140.9.1](https://www.thunderbird.net/en-US/thunderbird/140.9.1/releasenotes/). # Fixed problems * Make the _/root_ folder only readable by the `root` user. ([#21514](https://gitlab.tails.boum.org/tails/tails/-/issues/21514)) For more details, read our [changelog](https://gitlab.tails.boum.org/tails/tails/-/blob/master/debian/changelog). # Get Tails 7.7 ## To upgrade your Tails USB stick and keep your Persistent Storage * Automatic upgrades are available from Tails 7.0 or later to 7.7. * 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 7.7 on a new USB stick Follow our [installation instructions](https://tails.net/install/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 7.7 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_7.7/>
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