However, the company hasn’t specified when that update will be released. According to the announcement from Mozilla, the company says it will migrate 64-bit Windows users to the 64-bit version of Firefox in an upcoming update.

The other option you have is to just wait. So, to avoid confusion you’ll want to manually uninstall the 32-bit (x86) version for best results. It’s important to note that if you go this route, the 64-bit version will not replace the 32-bit (x86) version. That will automatically give you the 64-bit version which is now the default. The first way is to download a fresh copy of Firefox and install it. If you’re running 64-bit Windows, there are two ways to get the 64-bit version of Firefox. To view the version of Firefox that’s installed on your system, go to Help > About Firefox on the Menu bar.

If you’re running macOS or Linux your version of Firefox is already optimized for 64-bit. The article covers how to find the architecture of Windows 7, Windows 8, and Windows 10. Note: Not sure which version of Windows you’re running? Check out our article on how to tell if your PC is running 32 or 64-bit Windows.

Get firefox for windows 10