: Check the email used during purchase for the 24-digit key. Licensing Website (LWS)
Only certain Enterprise (ETLA) customers still use serial numbers for deployment. adobe illustrator cc 2015 serial number fixed hot
If you have a legitimate key but the software says it is "invalid" or "expired," try these steps: : Check the email used during purchase for the 24-digit key
If you are using a legitimate serial number (e.g., from a retail box or volume license) and it is failing: : Serial numbers must be 24 digits long. adobe illustrator cc 2015 serial number fixed hot