I need to download v. 2.9.2 – template compatibility issues with 3.x

Hello! I recently purchased a template that is compatible with WP 2.9 and have installed and tried to get it working with the newest 3.x release of WP (with no success!) So I need to download WP 2.9.2. Is it still available somewhere? I did go to the archive and thought I downloaded it. But when I try to unzip the file, I couldn’t get it to do that either. So any help would be appreciated. Thanks!