Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

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Manage local site storage settings

Manage local site storage settings

Learn about local storage, how to access storage settings, remove site data or set exceptions for websites to store data in Firefox.

Make Firefox your default browser on Windows

Make Firefox your default browser on Windows

Learn how to make Firefox your default Web browser on Windows 10 and Windows 11.

Common Myths about Private Browsing

Common Myths about Private Browsing

Learn more about common misconceptions about Private Browsing in Firefox.

Change Firefox options, preferences and settings

Change Firefox options, preferences and settings

Learn how to access and adjust Firefox settings, including privacy, startup behavior, downloads and more.

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