How to switch from 32-bit to 64-bit Firefox
Revision Information
- Revision id: 127742
- Created:
- Creator: Chris Ilias
- Comment: moved the intro above the warnings, divided the warning into bullet points, moved the note about user data into the intro, removed the blog link, and stated better performance in the intro, made close Firefox its own step
- Reviewed: Yes
- Reviewed:
- Reviewed by: Chris_Ilias
- Is approved? Yes
- Is current revision? No
- Ready for localization: No
Revision Source
Revision Content
This article only applies to Firefox on Windows.
The 64-bit version of Firefox has better performance than the 32-bit version. Want to switch to the 64-bit version of Firefox? Just install the 64-bit version and uninstall the 32-bit version. Your Firefox user data (passwords, bookmarks, settings, etc.) will not be removed.
Warning:
- The 64-bit version of Firefox requires a 64-bit version of Windows 7 or higher. Find out if you are running a 64-bit version of Windows by visiting this Microsoft article.
- Adobe Flash and Microsoft Silverlight are the only plugins supported.
- Go to this Mozilla Firefox download page 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 menu and click on . Open the panel, then select the tab panel.
- Scroll down the list of appsprograms until you find the Mozilla Firefox item that contains x86 in the name. Select it, and click .
- Follow the prompts in the Uninstall Wizard to complete the removal of the 32-bit version.
