New featureDetection of outdated Secure Boot certificatesSince 2023, Microsoft has startedreplacingthe Secure Boot certificates originally issued in 2011. These oldercertificates begin expiring in June 2026.Tails now notifies you if the computer that you are using has outdated SecureBoot certificates and needs anupdate.Changes and updatesUpdate Tor Browser to 15.0.10.Update Thunderbird to 140.9.1.Fixed problemsMake the /root folder only readable by the root user. (#21514)For more details, read ourchangelog.Get Tails 7.7To upgrade your Tails USB stick and keep your Persistent StorageAutomatic 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.To install Tails 7.7 on a new USB stickFollow our installation instructions.The 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 Tails7.7 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