Users often get stuck at the "Authorization Code" screen when trying to use original installation discs or old serial numbers.
Historically, to assist customers with legitimate licenses, Adobe provided a "non-activation" version of CS2. This version bypasses the need for an authorization code entirely. 1. Check Your Original Documentation adobe illustrator cs2 serial number authorization code
If you've purchased Adobe Illustrator CS2 in the past, you might have received the serial number in one of the following ways: Users often get stuck at the "Authorization Code"