After you launch a Creative Suite trial product and sign in with your Adobe ID, you are prompted to enter a serial number rather. The trial isn't licensed with your Creative Cloud for Teams membership as expected.
Important: You must have an active Creative Cloud for Teams membership associated with your account in order to resolve this issue. Please contact your Creative Cloud for Teams administrator to verify that you have been assigned a membership.
Solution 1: Launch Creative Cloud Desktop application and allow the auto update process to complete.
The Creative Cloud Desktop application updates automatically during launch and install the latest components that allows you to license your product. Perform any one of the following steps below to update.
If present, double-click the Adobe Creative Cloud link on your Desktop.
Choose Start > All Programs > Adobe Creative Cloud
Double-click Hard Drive > Applications > Adobe Creative Cloud > Adobe Creative Cloud
Download a trial from creative.adobe.com for a product that is not currently installed.