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

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What if I'm locked out of Two-Step Authentication?

What if I'm locked out of Two-Step Authentication?

Disable two-step authentication or use a backup authentication code to regain access to your account if you've been locked out of two-step authentication login.

Use a passkey to sign in to your Mozilla account

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?

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.

Manage the devices linked to your Mozilla account

Manage the devices linked to your Mozilla account

Find solutions to help you manage the devices and services connected to your Mozilla account.