Adobe Illustrator CC 2015 , individual users do not typically use a serial number for activation. Adobe transitioned to the Creative Cloud (CC) subscription model with this version, which relies on an (email and password) rather than a 24-digit key.
Illustrator CC 2015 was a landmark release for performance, though it is now considered "end of life" by modern standards. Key Features and Improvements Adobe Illustrator Cc 2015 Serial Number
Using a pirated or invalid serial number can lead to: Adobe Illustrator CC 2015 , individual users do
While rare for individual users, there are specific cases where a serial number is used: Adobe Illustrator CC 2015
For the majority of individual users, Adobe Illustrator CC 2015 does have a permanent serial number. Instead, it uses a subscription model tied to your Adobe ID .