Firefox download previous versions

Optional software bundled with security software also may need updating. Such software may not be essential for your security but, if outdated, may interfere with the use of Firefox or cause Firefox to crash.

In the Menu bar at the top of the screen, click Firefox and select Preferences. Click the menu button and select Options Preferences. Click the menu button and select Settings.

Instead of downgrading to an older, insecure version of Firefox and changing your update settings, you should consider these alternatives:. Install Firefox Extended Support Release. Firefox Extended Support Release ESR is an official version of Firefox developed for large organizations, such as universities and businesses, but it can also be used for personal computers.

Firefox ESR does not come with the latest features but it does have the latest security and stability fixes. Click the link next to your language. For instance, if you'd like to install the U. Depending on the version you choose, you may see files with extensions that end in. Some versions may contain both. Click the file with the extension.

Privacy Promise Learn how Firefox treats your data with respect. Firefox Blog Read about new Firefox features and ways to stay safe online. Release Notes Get the details on the latest Firefox updates. Facebook Container Help prevent Facebook from collecting your data outside their site. Pocket Save and discover the best stories from across the web. Mozilla VPN Get protection beyond your browser, on all your devices. Product Promise Learn how each Firefox product protects and respects your data.

Mozilla Firefox began as an experiment, led by three developers working for the Mozilla organization who believed the original Mozilla suite, a cross-platform internet suite which included a web browser, mail and an IRC client, would become too bloated in future due to the Mozilla web-browser. Mozilla Firefox Comments. Upload Software Get points for uploading software and use them to redeem prizes! Follow OldVersion. Old Version. Add info. Mozilla Firefox 1.