This is a used copy of Adobe Creative Suite 4 Design Premium for MAC OS. The Application 1, Application 2, and Content discs were tested. The computer utilized to test the discs read the files without any issues. The Learning disc was read but would not install. Not sure if this is an issue with the disc or operating system. The discs have minor wear, with some blemishes. The serial number is included on a printout.  Please review photos for additional condition details.