Free Updates
for Thayer Birding Software CD-ROMs

Check to see if you have the most recent version, released July 31, 2009.

The Windows programs can be updated to the most recent verison 3.9.8.1 or 5.0.2.1 by opening the program and clicking Help - Check for Updates. (Download and install the free updates. Do this TWICE.)

The Mac program can be updated to the most recent version 3.9.8.1 by opening the program and clicking eViewer in the Menu bar and then clicking Check for Updates. (Download and install the free updates. Do this TWICE.)

Find out more about getting the free v3.9.8.1 update for Windows and Mac (released July 31, 2009)

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If your Mac CD is version 3.9.1, click to get the free Mac version 3.9.3 update. You will want to install this before upgrading to v3.9.8.1.  

If you have a Mac computer running OS X 10.3.9, you may need this free update.

If you have version 3.5 or earlier, click here to see what you are missing! 


Free Updates for Older Versions:

Click to get the free version 3.5.4 update  (You need version 3.5 of the program installed before downloading this file)

If you have an old version 3.0 or 3.1 CD
Click to dowload a program that will automatically register your CD

 

Please call 800-865-2473 to order the new version 3.9 CD-ROM. This is the only version that will run on Vista or Macintosh computers. There is a 20% loyal customer discount -- please have your old 16-digit license key available. Or order online. Use the promotional code W428 when checking out if you own an earlier version.