Firefox old version free download

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Google Play. The Best Black Friday deals. Bill Gates' favorite books of Hawkeye review. Xbox Game Pass Ultimate review. 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. 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. Get the Firefox browser built just for developers.

Check out the home for web developer resources. Firefox Reality. Explore the web with the Firefox browser for virtual reality. Mozilla Firefox is a web browser that is used to access the Internet. Mozilla Firefox ESR is a version of the web browser intended to be deployed in large organizations. Mozilla Thunderbird is an email client. Successful exploitation of these vulnerabilities could allow for arbitrary code execution.

Depending on the privileges associated with the user an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Details of these vulnerabilities are as follows:. Directly from the folks who helped bring you Netscape, Mozilla Firefox is perhaps one of the best 3rd party browsers available for Windows today. Finding the right browser for your needs may just be a matter of installing Windows. In many cases, IE does exactly what you need; and it's an integral part of the Windows operating system.

In some cases, however, IE just doesn't cut it and you need something different.