Older versions of CCC can be downloaded at https://bombich.com/download.
We do not sell licenses for older versions of CCC. To use CCC 5 or 6 please purchase a CCC 7 license. CCC 7 licenses can be used to register CCC 5 and CCC 6.
Please note that CCC 4 is no longer supported, however if you have a license for CCC v4, v5, or v6, you may download CCC 4.1.24 for use on Mountain Lion (10.8) or Mavericks (10.9) from our Download page. We no longer sell, support, nor distribute CCC 3.