Work very well. No problems on Windows 7 64-bit. I have just downloaded the drivers, management software from Asus has not been installed.
Two limitations of the stick:
1. It works in the 5 GHz range on channels 36, 40, 44 and 48. That's not too bad, but unfortunately the stands anywhere and I tried out the first stick long. After I changed my router for the 5 GHz range of channel 100 (Automatic Channel Selection) on one of the channels mentioned above, is still working properly.
2. The drive is unable to use both frequencies (2.4 GHz and 5 GHz) simultaneously. If both Wi-Fi networks are active, it only one of them, only when this connection is too weak or breaks uses, it switches over to the other network.
If you can live with these limitations, receives here for relatively little money a good stick.
(A star deduction for the missing information on the channel restriction)