64-bit Firefox has more security and fewer crashes What’s the difference between 32-bit and 64-bit? Here’s the key thing to know: 64-bit applications can access more memory and are less likely to crash than 32-bit applications.
Firefox 64-bit is the new default on 64-bit Windows. It's more stable, more secure, and more performant than ever. Here's how to get it!
Also, with the jump from 32 to 64 bits, a security feature called (ASLR) works better to protect you from attackers. MacOS and Linux users, fret not.
You already enjoy a Firefox that’s optimized for 64-bit. How do you get 64-bit Firefox? If you’re running 64-bit Windows (), your Firefox may already be 64-bit. (in the “About Firefox” window) and look for “(32-bit)” or “(64-bit)” after the version number: • 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.
• 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). 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 page. Tags:,,, Browse fast.
• 64-bit Firefox only supports the and NPAPI plugins. See about changes in Firefox plugin support.
Fb Er. Follow these steps to switch to 64-bit Firefox: • Go to and click on the Windows 64-bit download link. • Run the setup file you've just downloaded and follow the prompts to install the 64-bit version of Firefox. • Close Firefox. • Now it's time to remove the 32-bit version. Open the Windows Start menu and click on Settings Control Panel. Open the System Programs panel, then select the Apps & features tab Programs and Features panel.
• Scroll down the list of apps programs until you find the Mozilla Firefox item that contains x86 in the name. Select it, and click Uninstall. • Follow the prompts in the Uninstall Wizard to complete the removal of the 32-bit version. Share this article.