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Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Firefox
Privacy and security
Tracking protection

Privacy and security

Tracking protection

Enable tracking protection to enhance your privacy.

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Cookies - Information that websites store on your computer

Enhanced Tracking Protection in Firefox for desktop

Clear cookies and site data in Firefox

How to clear the Firefox cache

Global Privacy Control

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Websites say cookies are blocked - Unblock them

Introducing Total Cookie Protection in Standard Mode

SmartBlock for Enhanced Tracking Protection

Third-party cookies and Firefox tracking protection

Block websites from storing cookies and site data in Firefox

Firefox's protection against fingerprinting

Forget button - quickly delete your browsing history on Firefox

Oblivious HTTP (OHTTP) explained

Block cookie banners on Firefox

Enable and disable cookies that websites use to track your preferences

Total Cookie Protection and website breakage FAQ

Firefox Homepage Lift Studies

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