If your PC can run Windows Vista, it can run Windows 7. But if you're not running Windows Vista, or are just not sure if your system is ready to run Windows 7, there's a quick way to do a simple check.This will help you to know ,whether there is any compatibility issues .
Windows 7 Upgrade Advisor check your PC’s processor, memory, storage, and graphics capabilities, identifies known compatibility issues with installed software and devices and finally provides guidance on how to resolve those issues if any solutions are possible.Before you run the Windows 7 Upgrade Advisor beta, be sure to plug in any USB devices or other devices such as printers, external hard drives, or scanners that are regularly used with the PC you're evaluating.