In its early years, Photoshop CS2 relied on a combined with an online Authorization Code for activation. This led to the creation of keygens —illegal third-party programs designed to algorithmically generate valid serial numbers and bypass the activation server. Adobe Photoshop CS2 Key Codes | PDF - Scribd
this version and shut down its activation servers over a decade ago The Official Status of CS2 Activation Servers are Down: adobe photoshop cs2 v90 english keygen serial key keygen upd