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.

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). Windows 7 Ultimate (x32) Item Preview windowslogosPNG37-300x233.png.

1 GB de RAM (32 bits) o 2 GB de RAM (64 bits) 16 GB de espacio disponible en el disco duro (32 bits) o 20 GB (64 bits) Tarjeta gráfica DirectX 9 con controlador WDDM 1.0 o superior. on the creation of a Windows 7 USB installation drive from an ISO. 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. Tamaño: 2,3 GB (x32) 3,20 GB (圆4) Procesador de 1 gigahercio (GHz) o más rápido de 32 bits (x86) o de 64 bits (圆4). you need to create USB installation media from bootable ISOs (Windows, Linux, UEFI.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.

Users on 64-bit Windows who download Firefox can get our 64-bit version by default.

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