The installation disc includes the required ASIO driver. While the USB sound card can work under Windows XP without any drivers, for ASIO use, you have to install them. What is rather inconvenient is that you have to "dig" inside the CD to find the drivers for your operating system. A nice GUI installer would be ideal. The setup procedure is rather simple, just follow the steps:
After the installation is finished, you don't have to reboot. So far so good. Then it's time to use your favorite music application and access the ASIO panel properties for the USB card.