2 firefox versions installed how to#
2 firefox versions installed install#

Choose Create Profile in the dialog and follow the steps. Open a terminal, use cd to navigate to your Firefox directory and then enter. Open the Terminal (located under /Applications/Utilities) and type in: /Applications/Firefox.app/Contents/MacOS/firefox -profilemanager. In the run dialog, write firefox -P and press enter/click OK. Open the Windows Start menu and choose the Run option (on Vista, it might not be there – just press Windows key + R in that case).

2 firefox versions installed how to#

This is how to open Profile manager on different platforms: Profile manager in Windows The way to create a Firefox profile are in the Profile Manager. Basically, a profile is where Firefox keeps all your settings, preferences, installed extensions etc. Then, naturally, you might want to have different settings, extensions etc installed depending on what version of Firefox you are running, and the easy way to control that is through different profiles in Firefox. This is very useful, especially if you are a web developer, to quickly test something in a number of versions of Firefox.

2 firefox versions installed install#

You can download any number of versions of Firefox, and then just install it into different catalogs, or just give each installation a unique name (preferably version number). Don’t throw Firefox 3.0 out – run multiple versions of Firefox side-by-side insteadĮven though you’re probably super-eager to replace all old versions of Firefox on your machine, please know that it is completely possible (and very simple) to have multiple installations of Firefox side-by-side and, have them all running at the same time too, if you want to! I have to say that I think Firefox 3.5 is an impressive release, it has gotten even better in so many areas! One very important thing is speed: according to performance God Steve Souders, Firefox 3.5 is the best-performing web browser, followed by Chrome 2, Safari 4, IE 8 and Opera 10.

Therefore, I thought I’d answer some common questions, especially from a web developer perspective about the new version and which web developer extensions which will work with it.

Firefox 3.5 is released – information about having multiple Firefox versions and web developer extension compatibility Published on Wednesday, July 1, 2009įirefox 3.5 was released yesterday, and it has already reached 5 and a half million of downloads (at the time of writing).