How to run Firefox under different profiles with different bookmarks extensions and more!
After installing Firefox, go to run and type Firefox -p.
You'll get a dialog. Create your profile in it.
Now create a shortcut to Firefox.exe, as below.
"c:/xxx/xxx/firefox.exe" -p "profile-name"
Note that profile names are case sensitive.
Now click on this shortcut to run Firefox with the corresponding profile you assigned to it.