Updating from a previous version?

If you are upgrading from a previous version of Thunderbird, see Updating Thunderbird.

Click on the operating system on which you are installing Thunderbird.

Installing Thunderbird on Windows

Installing Thunderbird on Mac

Installing Thunderbird on Linux

_{Windows and the Windows logo are trademarks of the Microsoft group of companies.
Mac® and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries.
Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries.
The Linux logo is Copyright 1997 Larry Ewing}