For those looking for free or more affordable options, there are alternatives:
Introduced the .PSB (Photoshop Big) format for files over 2 GB or up to 300,000 pixels. Where to Find Your Serial Number
A review of serial numbers today is essentially a look at the "end of life" for one of the industry's most foundational pieces of software. Released in October 2003, version 8.0 introduced the Creative Suite (CS) branding. The Verdict on Activation