How can I install both Firefox 3.6 and Firefox 9 on the same computer?

rishi December 29, 2011
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I want to be able to install BOTH Firefox 3.6 and Firefox 9 on my Windows PC and my Mac. How can I install them without one over-writing the other?

  1. Jay.0
    January 4, 2012 at 8:31 am

    I tried this on my pc.
    Firefox 9 portable:http://portableapps.com/apps/internet/firefox_portable

    Install on a pendrive or any local drive like I tried.Normal Firefox 3.6 :http://www.mozilla.org/en-US/firefox/all-older.html 
    But you cant use both at the same time.

  2. Jeff Fabish
    December 29, 2011 at 1:29 am

    Don't install them in the same directory.