Security News > 2020 > November > Firefox 83 boosts security with HTTPS-Only mode, zero-day fix
Mozilla Firefox 83 was released today with a new feature called 'HTTPS-Only Mode' that secures your browsing sessions by rewriting URLs to secure HTTPS versions.
Windows, Mac, and Linux desktop users can upgrade to Firefox 83 by going to Options -> Help -> About Firefox.
With the release of Firefox 83, all other Firefox development branches have also moved up a version bringing Firefox Beta to version 84 and the Nightly builds to version 85.
With the release of Firefox 83, Mozilla introduces a new 'HTTPS-Only mode' that automatically modifies URLs so that they use a secure HTTPS version.
For a complete list of security updates in Firefox 83, you can visit Mozilla's security advisories.