YOU ARE BUYING BRAND NEW SEALED WINDOWS 7 PROFESSIONAL 32-BIT DVD WITH A KEY OR COA.

WORKS ON ANY MACHINE.

IF YOU ARE NOT SURE ABOUT YOUR PC CONFIGURATION. THEN PLEASE CONTAC ME BEFORE YOU BUY AND I WILL SEND YOU A DISC WHICH WORKS ON 32 BIT AND 64 BIT.

THIS IS FOR 32-BIT MACHINE AND WILL WORK ON 64 BIT MACHINE.