1.1) Connect the receiver
1.2) Open Run
2) Type devmgmt.msc in the Start Menu and OK
3) Click the Unknown Device and "Update Driver"
4) "Browse my computer for driver"
5) Choose among a list of devices on my computer
6) Double click on Show All Devices
7) Microsoft
8) Xbox 360 Wireless Receiver for Windows (at the bottom)
9) It's over!