Firefox automatically blocks many third party trackers from collecting and selling your web activity. From watching a web tutorial to keeping an eye on your favorite team, your video follows you while you multitask. Download Firefox Firefox Privacy Notice. Get Mozilla VPN. Firefox for Android Get the customizable mobile browser for Android smartphones.
Firefox Focus Simply private mobile browsing. 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. Firefox Relay Sign up for new accounts without handing over your email address.
Mozilla Foundation Meet the not-for-profit behind Firefox that stands for a better web. Get involved Join the fight for a healthy internet. Careers Work for a mission-driven organization that makes people-first products. Use the latest version of another browser. If you are not satisfied with the current Firefox version or it simply is not working right now, there are alternative browsers that you can use to browse the web.
Grow and share your expertise with others. Answer questions and improve our knowledge base. Search Support Search. Home Firefox Download, install and migration Install an older version of Firefox.
Warning: Firefox now includes downgrade protection to prevent corruption of user profile data. If you install an older version, you'll be prompted to create a new Firefox profile. Table of Contents 1 Installing a previous version doesn't fix most problems 2 I still want to downgrade — where can I get the previous version?
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More About Mozilla. More Mozilla Innovation. Users on bit Windows who download Firefox can get our bit version by default. That means you get a more secure version of Firefox, one that also crashes a whole lot less.
How much less? When you upload software to oldversion. For every field that is filled out correctly, points will be rewarded, some fields are optional but the more you provide the more you will get rewarded!
So why not upload a peice software today, share with others and get rewarded! Welcome Guest, Login Register. Get Updates on Mozilla Firefox Tweet. Mozilla Firefox 3,, Downloads. Do you have software version that is not currently listed?
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