If you have ever used a Mac to run Windows, you are familiar with Boot Camp. You can technically extract these drivers for use on a standard PC. Pros: They are official Apple drivers and completely free.
If you pair the Magic Trackpad 2 via Bluetooth, Windows will automatically install a generic HID-compliant mouse/touchpad driver.
Smooth Scrolling: Eliminates the staggered, "notchy" feel of default Windows scrolling.