Microsoft recommends “Compatible with Windows 7” applications because they have passed Microsoft-designed tests to help ensure they install readily every time and minimize the number of crashes, hangs, and restarts you experience. This all helps ensure a compatible and reliable experience with any edition of Windows 7 including 64 bit. Synergy/DE (version 9.3.1a) has been tested to meet all of the technical requirements to be Compatible with Windows® 7, thus you can be assured that it will install and run reliably on your Windows 7 system.