Please read, and reply back here with information https://forums.adobe.com/thread/1499014
-and try some steps such as changing browsers and turning off your firewall for downloads
Creative Cloud chat support (all Creative Cloud customer service issues)
Are you able to download the Creative Cloud app first from here (if you don't have it installed already on the second computer)?
Here is a link to do so:
Free Creative Cloud | Download Adobe Creative Cloud free trial
thankyou for your replies just spent ages on the help chat and finally
downloaded everything. Used a link to download cc then the same issue i
always have- to do with hosts files - all ok now.