I have to use two different versions of Firefox for two different employers - How to install new version without losing old one?
One employer requires that I use Firefox 3. Another requires that I use the newest version. How do I install a new version Firefox to a different path without over-writing the old version?
Выбранное решение
The easiest way it to have one version be a Firefox Portable installation. The Portable installation is self-contained and won't affect your "regular" Firefox installation.
http://portableapps.com/apps/internet/firefox_portable
Otherwise you need to set up a Profile specifically for the 2nd version and make sure the correct Profile is launched with each version.
http://support.mozilla.com/en-US/kb/Managing+Profiles
http://kb.mozillazine.org/Shortcut_to_a_specific_profile
Overall you are probably better off replacing your current Firefox 3.6.25 version with the Portable Apps version - http://portableapps.com/apps/internet/firefox_portable/localization#legacy36 - and install Firefox 9.0.1 as your "regular" installation.
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Выбранное решение
The easiest way it to have one version be a Firefox Portable installation. The Portable installation is self-contained and won't affect your "regular" Firefox installation.
http://portableapps.com/apps/internet/firefox_portable
Otherwise you need to set up a Profile specifically for the 2nd version and make sure the correct Profile is launched with each version.
http://support.mozilla.com/en-US/kb/Managing+Profiles
http://kb.mozillazine.org/Shortcut_to_a_specific_profile
Overall you are probably better off replacing your current Firefox 3.6.25 version with the Portable Apps version - http://portableapps.com/apps/internet/firefox_portable/localization#legacy36 - and install Firefox 9.0.1 as your "regular" installation.
Thanks Edmeister - that looks as though it will solve the problem... I will return to the site if I have any further problems!