How to update Thunderbird app for Windows?

    By default, Thunderbird is set to automatically update itself but you can always do a manual update. Here's how:

    1. Go over to the Help menu and select About Thunderbird.

    2. The About Thunderbird window will open and Thunderbird will begin checking for updates and downloading them automatically.
    3. When the updates are ready to be installed, click Restart Thunderbird to Update.
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