Once you have installed Line 6 Monkey and the applicable drivers for your Line 6 device, you will be able to assign your USB capable device as the sound card for your computer.
See the following instructions for assigning your Line 6 device as a sound card for your Windows XP Operating System:
1) Select the "start menu".
2) select "Control Panel".
3a) If you Control Panel looks like this, select "Switch to Classic View".
3b) Select "Sound and Audio Devices".
4) Select the center tab labeled "Audio".
5) Select your Line 6 device in the Sound Playback dropdown menu (This example uses the Guitarport).
6) Select your Line 6 device in the Sound Recording dropdown menu (This example uses the Guitarport).
7) Select "Apply".
8) Close the window.? Be sure that your speakers and/or headphones are connected to your Line 6 device (rather than the computer's sound card).