Linux and macOS users, fret not, you already enjoy a Firefox that’s optimized for 64-bit. If you’re running 64-bit Windows ( here’s how to check), your Firefox may already be 64-bit. Available in over 90 languages, and compatible with Windows, Mac and Linux machines, Firefox works no matter what you’re using or where you are.If you see “(32-bit)” and you are running Firefox 56.0 or older, updating to the latest Firefox version should automatically upgrade you to 64-bit.Check your Firefox version (in the “About Firefox” window) and look for “(32-bit)” or “(64-bit)” after the version number: Firefox for windows 7 64 bit how to# If you see “(32-bit)” and are running Firefox 56.0.1 or newer, then your computer may not meet the minimum memory requirement for 64-bit (3 GB RAM or more). Make sure your operating system is up to date for the best experience. You can still manually install 64-bit Firefox, if you choose.
If you need to run 32-bit Firefox or manually install 64-bit Firefox, you can simply download and re-run the Windows (32-bit or 64-bit) Firefox installer from the Firefox platforms and languages download page.
