Download new version firefox 2013

Can I change the default search engine in Firefox? Click on the menu in the top-right corner of the page and click Options. Click on the Search tab on the right sidebar. Who owns Firefox? Does Firefox sell data to third-party advertisers?

What to do if Firefox keeps crashing? This will patch any known errors that could be causing the crash. WizCase is an independent review site. Firefox Developer Edition Get the Firefox browser built just for developers. Firefox Reality Explore the web with the Firefox browser for virtual reality. Common Voice Donate your voice so the future of the web can hear everyone. Choose which Firefox Browser to download in your language Everyone deserves access to the internet — your language should never be a barrier.

Check the system requirements Release notes Source code. Check the system requirements Release notes. Firefox Privacy Notice Need help? Download Now Send a download link to your phone. Send a download link to your phone. Click the menu button and select Settings.

Grow and share your expertise with others. Answer questions and improve our knowledge base. Search Support Search. The latest Firefox version includes security updates so downgrading to an older version leaves you more vulnerable to attacks and usually doesn't fix the problem.

This article gives you some alternatives to downgrading and links to older versions of Firefox if you do choose to downgrade. Problems with an update are usually not caused by the new version of Firefox, but rather the update process. 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 Such software may not be essential for your security but, if outdated, may interfere with the use of Firefox or cause Firefox to crash.