Mozilla firefox download how to#

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. You can still manually install 64-bit Firefox, if you choose.

This free PC software was developed to work on Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and can function on 32-bit systems. We cannot confirm if there is a free download of this software available. If you see вЂњ(32-bit)вЂќ 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). Download of Mozilla Firefox Ultimate 36.0.1 was on the developer's website when we last checked.If you see вЂњ(32-bit)вЂќ 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 вЂњAbout FirefoxвЂќ window) and look for вЂњ(32-bit)вЂќ or вЂњ(64-bit)вЂќ after the version number:

Mozilla firefox download how to#

If youвЂ™re running 64-bit Windows ( hereвЂ™s how to check), your Firefox may already be 64-bit. Linux and macOS users, fret not, you already enjoy a Firefox thatвЂ™s optimized for 64-bit. Also, with the jump from 32 to 64 bits, a security feature called Address Space Layout Randomization (ASLR) works better to protect you from attackers. HereвЂ™s the key thing to know: 64-bit applications can access more memory and are less likely to crash than 32-bit applications. WhatвЂ™s the difference between 32-bit and 64-bit? How much less? In our tests so far, 64-bit Firefox reduced crashes by 39% on machines with 4GB of RAM or more.

That means you get a more secure version of Firefox, one that also crashes a whole lot less. Users on 64-bit Windows who download Firefox can get our 64-bit version by default.