Adobe CS5.5 Web Premium won't install on MacOS Sierra
So I recently bought a new MacBook Pro. On my old Mac I purchased Adobe CS5.5 Web Premium. I would like that suite on my new Mac however it does not have an optical drive so I figured I would download it from here https://helpx.adobe.com/creative-suite/kb/cs5-5-product-downloads.html. After downloading the file I clicked on install.app and the following happens:

What am I doing wrong? Is there a different place I can go to download the dmg?
Thanks
