If you are trying to get the software running, here is the current reality: Official Support is Dead:
Access to these specific replacement links has mostly been removed from Adobe Support as the software is no longer supported on modern operating systems. adobe illustrator cs3 serial number upd top
Q: How do I transfer my Illustrator CS3 license to a new computer? A: Contact Adobe Support for assistance with transferring your license to a new computer. If you are trying to get the software