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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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My sign in was blocked for security reasons on Mozilla account

Sign-in attempts are blocked for security reasons if unusual activity is detected on your Mozilla account. Learn how to regain access.

Last updated: 3/9/26

Sign in to a Mozilla account using 3rd-party authentication

You can use your existing Google or Apple ID to sign up for a Mozilla account. Learn more.

Last updated: 3/9/26

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