Adobe Check expiration of volume or enterprise serial numbers

Run AdobeExpiryCheck tool
Run AdobeExpiryCheck on a local Windows machine
Launch command prompt and run the AdobeExpiryCheck tool.
The tool displays the product licensing identifier, the encrypted serial number, and the expiration date.

https://helpx.adobe.com/enterprise/kb/volume-license-expiration-check.html

Link to Adobe Creative Cloud Software: Adobe Creative Cloud 12-month Plan Subscription