Apple Magic Mouse: Vertical scrolling and swiping do not work with Microsoft Windows using Boot Camp
Apple Magic Mouse, Boot Camp, Windows Vista, Windows XP
When using an Apple Magic Mouse with Microsoft Windows XP or Vista, vertical scrolling and two-finger swiping may not work.
If you are using Mac OS X v10.6 Snow Leopard, download and install the Boot Camp 3.1 Update to enable these functions in Windows.
For computers with Mac OS X v 10.5 Leopard, download and install the Boot Camp 2.2 Update.
Swiping is not a supported feature in Windows.