More Mozilla Innovation. 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. 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?
Note: Other problems can be solved with the Refresh Firefox feature. Firefox is now ready for use. Just click on its icon in the dock or Applications folder to start it. When you first start up Firefox, you will be warned that you downloaded Firefox from the Internet.
Because you download Firefox from the official site, click. Upon installation, Firefox will not be your default browser, which you'll be notified about.
That means that when you open a link in your mail application, an Internet shortcut, or HTML document, it will not open in Firefox. If you want Firefox to do those things, click. Firefox , Downloads. Firefox Latest Version Firefox Firefox Popular Version Firefox 3.
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