Izimpendulo zakamuva ze-Can I run Firefox Quantum and Firefox 54 side by side on a Mac?https://support.mozilla.org/zu/questions/12126672018-04-06T14:19:20-07:00Installing multiple versions on Mac OS X is basically dragging the Firefox application out of the DM2018-04-06T14:19:20-07:00cor-elhttps://support.mozilla.org/zu/questions/1212667#answer-1097772<p>Installing multiple versions on Mac OS X is basically dragging the Firefox application out of the DMG file to the desktop and rename the folder.
You can drag the renamed Firefox application folder to the Applications folder like you would normally install Firefox.
</p><p>You need to use the terminal to create a new profile for that version.
Firefox also comes with the about:profiles page that has a button to create a new profile.
Make sure that no profile is selected as Default=1 to make the Profile Manager show when you start Firefox.
You can check that in the profiles.ini file.
</p>
<ul><li><a href="http://kb.mozillazine.org/profiles.ini_file" rel="nofollow">http://kb.mozillazine.org/profiles.ini_file</a>
</li></ul>Yes, but it's tricky.
Each version of Firefox needs to run using its own profile.
When I run the bro2018-04-06T08:00:42-07:00fredmcd-hotmailhttps://support.mozilla.org/zu/questions/1212667#answer-1097648<p>Yes, but it's tricky.
</p><p>Each version of Firefox needs to run using its own profile.
</p><p>When I run the browser like that, I use a batch file command to launch
Each Firefox version separately.
</p><p>Example (one line); C:\PROGRA~1\MOZILL~1\firefox.exe -no-remote -new-instance -new-window -P Firefox_v_57
</p><p><br>
<a href="https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options" rel="nofollow">https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options</a>
</p><pre>Usage: C:\PROGRA~1\MOZILL~1\firefox.exe [ options ... ] [URL]
where options include:
</pre>
<pre> -h or -help Print this message.
-v or -version Print Firefox version.
-P &lt;profile&gt; Start with &lt;profile&gt;.
-migration Start with migration wizard.
-ProfileManager Start with ProfileManager.
-no-remote Do not accept or send remote commands; implies -new-instance.
-new-instance Open new instance, not a new window in running instance.
-UILocale &lt;locale&gt; Start with &lt;locale&gt; resources as UI Locale.
-safe-mode Disables extensions and themes for this session.
-console Start Firefox with a debugging console.
-jsconsole Open the Error console.
-browser Open a browser window.
-new-window &lt;url&gt; Open &lt;url&gt; in a new window.
-new-tab &lt;url&gt; Open &lt;url&gt; in a new tab.
-preferences Open Options dialog.
-search &lt;term&gt; Search &lt;term&gt; with your default search engine.
-setDefaultBrowser Set this app as the default browser.
</pre>