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

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Secure your Mozilla account with Two-Step Authentication

Secure your Mozilla account with Two-Step Authentication. Learn more here.

Use a passkey to sign in to your Mozilla account

Sign in to your Mozilla account with a passkey using your device, and learn how to create, use, and manage passkeys.

How do I set up Sync on my computer?

Use a Mozilla account to sync your bookmarks, history, passwords, add-ons and open tabs with another device, profile or version of Firefox.

How to set up Firefox Sync in Firefox for Android

Learn how to set up Firefox Sync on Android to access your bookmarks, passwords, history, payment methods, and open tabs across devices.