In this article we will show you how to switch between Firefox 3 and Firefox 4. You can achieve this by following the steps given below.
STEPS:
- Click on Window Orb (Start)
- Write following command in the search bar and press ENTER%APPDATA%\Mozilla\Firefox\Profiles\
- Duplicate the existing Profile and rename them as F3 and F4 respectively
- Go to previous folder and duplicate the “profile.ini” and rename them as “profile.F3” and “profile.F4” respectively
- Create a batch file, named as F3 and write following lines in it
COPY C:\Users\%UserName%\AppData\Roaming\Mozilla\Firefox\profiles.F3 C:\Users\%UserName%\AppData\Roaming\Mozilla\Firefox \profiles.ini START “” “E:\SYSTEM\FIREFOX 3.lnk” EXIT
- Create another batch file, named F4 and write following lines in it
COPY C:\Users\%UserName%\AppData\Roaming\Mozilla\Firefox\profiles.F4 C:\Users\%UserName%\AppData\Roaming\Mozilla\Firefox \profiles.ini START “” “E:\SYSTEM\FIREFOX 4.lnk” EXIT
- Create shortcuts for Firefox 3 and Firefox 4 and name them “FIREFORX 3” and “FIREFOX 4” respectively.
Note: Both batch files and shortcuts should be placed in the same folder, which is in this case “E:\SYSTEM\” and %Username% should be replaced with the user name you are logged on from.




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