# [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## Detection of outdated Secure Boot certificates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Tails now notifies you if the computer that you are using [has outdated Secure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/>