Old versions of Mozilla Firefox Portable. Latest Version.
Portable version for the most complete browser. Previous versions.
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To upgrade to a newer version of Firefox Portable, just install a new copy of Firefox Portable right over your old one. All your data will be preserved.
So, which version of Firefox do you need? Aren't the portable Firefox ESR versions suitable? It is not safe to install an older version as the main and only browser just because you need it for some purpose. A portable Firefox version can be easily installed alongside of the current release and...
How to Use Mozilla Firefox, Portable with flash plugin. Make your firefox portable for Linux (all versions)
1. Download Firefox Portable from PortableApps.com, if you want an old version such as 3.6 look at the legacy versions towards the bottom of the page. 2. Run the downloaded Firefox Portable and extract to your hard drive.
Mozilla Firefox, Portable Edition | PortableApps.com - Portable software for USB, portable and cloud drives. ...and/but the Sourceforge site is the also the official location... not only for current versions but all the older ones too.
Upgrading a portable version of Firefox to the latest version of the Flash Player is a manual procedure.
Recommend the good old version: Select version of Mozilla Firefox to download: Software version. Compatibility. Release Date. Size. Download. Mozilla Firefox 50.1.0. Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10.