Firefox for Mac Download Firefox. You can get it for free at the Mozilla website. Open the DMG file. Once the download is complete, the DMG file should open automatically. Install the application. Drag the Firefox.app file into your Applications folder. Put Firefox on the dock.How can I download old version of Firefox?
How to Download an Older Version of Mozilla Firefox. Type "ftp://ftp.mozilla.org/pub/firefox/releases/" into your browser's address bar and press "Enter." 3. Click the version of Firefox you want to download on the Mozilla FTP download page that appears. 4. Click "win32" on the page that appears to select the Windows release of that version.How do I reinstall Mozilla Firefox?
Here is how to re-install Firefox and save your existing bookmarks and add-ons: In the IronKey Control Panel, go to "Settings" > "Preferences". Click the "Restore IronKey Applications" button. Select "Mozilla Firefox (Application Only)", and click "OK". When the restore process is finished, lock the device and remove it.