Upgrading from Version 2 or 3

What's new in version 4?

More information here.

If you have a current license for V3:

Your upgrade to V4 is free. Simply download and install the new version here.
The program will recognize your current license. There is no need to obtain a new unlock code.


Q. Are the files from Version 2, 3, and 4 compatible with each other?
A. Yes. Any file created in V2, V3, or V4 can be used in all Versions.

Q. If I have Version 2 and I upgrade to version 4, can I still keep my Version 2 license?
A. Yes. The two programs will co-exist on the same machine. Each license operates independently of the other.

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Comprehensive Meta-Analysis is a powerful computer program for meta-analysis. The program combines ease of use with a wide array of computational options and sophisticated graphics.