Onesystem is an web-based application. Any device like tablet, smartphone or computers can be used to access system. Touch technology has changed the world. However desktop or laptop computers are still the most comfortable devices for daily office operations. Therefore you don’t need high configuration. We recommend you to buy a computer with operating system optimums. We don’t have any special needs, but window 10 operating system needs advised to have minimum 4gb memory. For tablets prefer with a litter faster processors.