If you do not have Chromeleon 6, start installing Chromeleon 7. Follow the steps mentioned in Install Chromeleon 7 – main and service release.

If you have Chromeleon 6, read chapter Compatibility with previous Chromeleon and PeakNet versions about compatibility, and decide whether you want to install Chromeleon on the same PC where Chromeleon 6 is running, or on a different one: