Firefox 64 — Download Portable

Using outdated browser versions like 64.0 is generally not recommended because they lack years of critical security patches found in the latest Firefox release . 3. Summary Comparison Requirement Recommended Action Latest 64-bit Browser Download from Firefox.com. Legacy Version 64.0 Access via Mozilla's Release Archive . Windows 7/8 Support

This specific release introduced multi-tab selection (closing or moving multiple tabs at once), a new Task Manager page ( about:performance ) to monitor energy usage, and native sharing support for Windows 10 users. firefox 64 download

If you specifically need (released December 11, 2018), it is available through Mozilla’s official archive. Using outdated browser versions like 64