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Run Firefox 3 without damaging Firefox 2 Settings

Firefox 3 is out! Installing it will overwrite your previous Firefox 2 settings. If you want to test the new version without tampering your precious Firefox 2 settings, here's a nice and easy way to do it with Firefox 3 portable edition. The portable edition gives you all the features of the desktop version. Here are the steps -

1. Backup your Firefox 2 profile data located at
C:\Documents and Settings\username\Application Data\Mozilla\Firefox\Profiles
- username is the name for the currently logged Windows user.
2. Download Firefox 3 portable edition.
3. Close all programs and run the installer.
4.Choose a destination folder for the installation. Since this is a portable version, all your settings will be in that folder.

That's all! You can now test Firefox 3. Settings for Firefox 2 won't be touched.

Note: This post isn't about running both versions simultaneously. It's only about installing and running Firefox 3 without damaging or overwriting the previous version's settings.
To run both versions simultaneously, you may have to create a separate profile in any one of the versions.

posted by Vijeesh Ravindran, Wednesday, June 18, 2008


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