You can still manually install 64-bit Firefox, if you choose. 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).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: If you’re running 64-bit Windows ( here’s how to check), your Firefox may already be 64-bit. Linux and macOS users, fret not, you already enjoy a Firefox that’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. 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.

However, It does offer install packages and a wide expansion of group policies and provides more stable and secure browsing than the standard version which is vital for enterprises environments and multiple deployments.Users on 64-bit Windows who download Firefox can get our 64-bit version by default. Firefox ESR is basically an older release of Firefox therefore it doesn’t include the latest features. Firefox also comes in an ESR (Extended Support Release) version specially meant for large organizations such as universities and businesses. Firefox was released in November 2004, and was highly successful with 60 million downloads within nine months, which was the first time that Internet Explorer’s dominance was challenged.įirefox was developed by Mozilla, a non-profit organization created in 1998 by members of Netscape (Firefox is considered the spiritual successor of Netscape Navigator), helping to keep the internet healthy, open and accessible to all. Even during its beta phase, the browser proved to be popular with its testers and was praised for its speed, security, and add-ons compared to Microsoft’s then-dominant Internet Explorer 6.

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