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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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Privacy and security

Privacy and security

Learn how to protect your privacy and secure your data.

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Choose a strong password

How to set up Firefox Sync in Firefox for Android

How do I choose what information to sync on Firefox?

Remove a synced device from your Mozilla account

Disable Firefox Sync

How do I set up Sync on my computer?

Disable Firefox Sync on a lost phone or tablet

How Firefox Sync keeps your data safe even if TLS fails

Change your Mozilla account password

How Firefox securely saves passwords

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

Suspicious activity on my Mozilla account

How do I know the status of my sync?

Change your two-step authentication device for your Mozilla account

Reset your Mozilla account password to protect your credentials

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