New Windows 7 Computers and Windows 7 Desktops. NIXSYS offers these systems that are great for companies looking to fit legacy technology into a powerful new Windows 7 Computer or Windows 7 Desktop. These New Windows 7 desktops are an invaluable tool for companies that have the need to update their old computer or desktop but still require older operating systems. You love Windows 7 Professional Computers and Windows 7 Desktop for their security and broad application coverage. We love 7 Professional software for its great productivity in a Intel based computer. Let NIXSYS deliver this horsepower in one custom-built package for your business. We install Windows 7 Professional Operating Systems on the computer and desktops that best suit your individual needs.