This release fixes many security vulnerabilities. You should upgrade as soon as possible.

  1. New features
    1. Secure Boot
  2. Changes and updates
  3. Known issues
  4. Get Tails 4.5
    1. To upgrade your Tails USB stick and keep your Persistent Storage
    2. To install Tails on a new USB stick
    3. To download only
  5. What's coming up?

New features

Secure Boot

Tails now starts on computers with Secure Boot enabled.

If your Mac displays the following error:

Security settings do not allow this Mac to use an external startup disk.

Then you have to change the settings of the Startup Security Utility of your Mac to authorize starting from Tails.

Changes and updates

  • Update Tor Browser to 9.0.9.

    This update fixes several vulnerabilities in Firefox, including some critical ones.

    Mozilla is aware of targeted attacks in the wild abusing these vulnerabilities.

Known issues

None specific to this release.

See the list of long-standing issues.

Get Tails 4.5

To upgrade your Tails USB stick and keep your Persistent Storage

  • Automatic upgrades are available from Tails 4.2 or later to 4.5.

  • 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 on a new USB stick

Follow our installation instructions:

All the data on this USB stick will be lost.

To download only

If you don't need installation or upgrade instructions, you can download Tails 4.5 directly:

What's coming up?

Tails 4.6 is scheduled for May 5.

We need your help and there are many ways to contribute to Tails (donating is only one of them). Come talk to us!