How to switch from 32-bit to 64-bit Firefox
Revision Information
- Revision id: 127765
- Created:
- Creator: AliceWyman
- Comment: Close Firefox (if open).
- Reviewed: Yes
- Reviewed:
- Reviewed by: AliceWyman
- 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 can provide 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, extensions and themes, etc.) will not be removed.
Warning:
- 64-bit Firefox requires a 64-bit version of Windows 7 or higher. Visit this Microsoft article to find out if you are running a 64-bit version of Windows.
- 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 (if open).
- 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.
