How to download Rhino 6

How to download Rhino 6 for Windows 10. We can not find the download button on the Rhino download page “”. We got a temporary licence key, but did find any possibilty to download the program. It seemed to be a vicious circle. Help please!

This links led to
There we put our email adress and received an email with the licence key.
It looks like that we found the link in this email. It is not marked, so it was a seach game. Thanks for your help.