Mozilla previous version download

In most cases, installing a previous version will not help. Instead, see:. Ensure all security and security-related software is fully updated. Some security software will need to be upgraded to a new version so that it is compatible with each Firefox version update.

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 Such software may not be essential for your security but, if outdated, may interfere with the use of Firefox or cause Firefox to crash.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. 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. That's one of the reasons why I like Mozilla Firefox. As the internet grows and changes, Firefox continues to focus on your right to privacy — we call it the Personal Data Promise : Take less. Keep it safe. No secrets. Your data, your web activity, your life online is protected with Firefox.

Download this browser extension to stop Facebook and Instagram from tracking you around the web. Firefox is available on all your devices; take your tabs, history and bookmarks with you. All you need is a Firefox account. Grab a high-resolution image of anything online with our screenshot tool built right in the browser. 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. 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.