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Thunderbird: OSX

Installing Thunderbird on Mac OS X

Thunderbird runs on Mac OS X 10.4.x and later. Thunderbird will run on a computer with at least the following hardware:

  • An Intel x86 or PowerPC G3, G4, or G5 processor
  • 256 MB of memory. Mozilla recommends 512 MB of memory or more
  • 200 MB hard drive space

Download and Install Thunderbird

  1. Use your web browser to visit the Thunderbird download page at https://www.mozilla.org/en-US/thunderbird/. This page detects your computer's operating system and language, and it recommends the best version of Thunderbird for you to use.

    If you want to use Thunderbird in a different languages or with a different operating system, click the Other Systems and Languages link on the right side of the page and select the version you need.

  2. Download the Thunderbird disk image. When the download is complete, the disc image may automatically open and mount a new volume called Thunderbird.
    If the volume did not mount automatically, open the Download folder and double-click the disk image to mount it. A Finder window appears:


  3. Drag the Thunderbird icon into your Applications folder. You've installed Thunderbird!
  4. Optionally, drag the Thunderbird icon from the Applications folder into the Dock. Choosing the Thunderbird icon from the Dock lets you quickly open Thunderbird from there.


Note: When you run Thunderbird for the first time, newer versions of Mac OS X (10.5 or later) will warn you that the application Thunderbird.app was downloaded from the Internet.

If you downloaded Thunderbird from the Mozilla site, click the Open button. 


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