: Available for models like the 4200N that use the RN-10D receiver. It allows for custom mouse gestures and 4-way scrolling. A4TECH Official Website How to Install : Visit the A4Tech Driver Info page and click the "Download Driver" button. Installation
To ensure you get the "free" and official version, always use the manufacturer's site: FM10 / FM10S - 8-in-one software | DOWNLOAD - A4TECH a4tech rn10d driver free