I have Sonar Platinum install on my desktop. I finally decide to try installing on my Surface Pro 4. I started Sunday and it took 24-36 hours to download :-)
I then started installation yesterday evening. This morning it was halfway through the install and it was on SONAR Classic Creative FX Suite. 
I then remembered that my Norton Security probably flipped back on (i on set a turn off for an hour). I turned that back of and it's still hasn't moved.
I really wouldn't the install to take that long.
The Surface Pro 4 is an i5, 8 gb ram, 256 hd.
Ideas? 

well... never mind... for the moment.
I closed everything. rebooted, force shut down what was running. Came back up and turned of Norton again. and restarted CCC and the install all. it picked up where it left off and this tie continued.
It finished but it didn't install everything. Raptor, new theme editor and other items. Going back at it.
I don't think I've done a completed full install with CCC.

You probably already know this Carl, but you can download and run the installers manually from your account page. I've only ever used CCC to activate Sonar after installation.