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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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Mozilla Account
Privacy and security

Privacy and security

Learn how to protect your privacy and secure your data.

In English

How do I set up Sync on my computer?

Choose a strong password

How to set up Firefox Sync in Firefox for Android

How do I choose what information to sync on Firefox?

How Firefox securely saves passwords

Change your Mozilla account password

Disable Firefox Sync

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

Remove a synced device from your Mozilla account

How do I know the status of my sync?

Disable Firefox Sync on a lost phone or tablet

Change your two-step authentication device for your Mozilla account

Reset your Mozilla account password to protect your credentials

Suspicious activity on my Mozilla account

How Firefox Sync keeps your data safe even if TLS fails

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