Starting with the launch of "Creative Cloud" (CC) in , Adobe moved away from permanent serial numbers to an Adobe ID subscription model . This means version 17.0.0 is verified by signing into an active Adobe account, not by entering a string of digits. The Evolution of Illustrator 17.0.0
Because version 17.0.0 was never sold with a standalone serial number, any website claiming to provide a "free serial" or "crack" for it is likely distributing . Using these unofficial tools carries severe risks: adobe illustrator cc 17.0.0 serial number