

Firefox is created by a global not-for-profit dedicated to putting individuals in control online. For example, on 64-bit Windows, it installs the 64-bit version of Firefox (details here). 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. Download Mozilla Firefox for Windows, a free web browser. The streamlined Firefox Installer installs a suitable Firefox version for your language and operating system. You can still manually install 64-bit Firefox, if you choose.

The following versions: 81.0, 80.0 and 77.0 are the most frequently downloaded ones by the program users. The latest version of Firefox is supported on PCs running Windows 95/2000/XP/Vista/7/8/10, both 32 and 64-bit. Our website provides a free download of Firefox 97.0.


Here’s the key thing to know: 64-bit applications can access more memory and are less likely to crash than 32-bit applications. What’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. Mozilla Firefox 2.0.0.11 Download Now Released: Size: 5.Users on 64-bit Windows who download Firefox can get our 64-bit version by default.
