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Update Firefox to the latest release
Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac, or Linux.
Insecure connection password warning in Firefox
Firefox issues an insecure password warning when a web page's login form is not secure and your information could be stolen.
Common Myths about Private Browsing
Learn more about common misconceptions about Private Browsing in Firefox.
Back up and transfer your Firefox data to a new device
Learn how to transfer your browser data when switching devices using Firefox Sync. Back up your bookmarks, history, passwords, etc. with your Mozilla account.
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