Using this PreSonus FP10 audio interface is easy. First, make sure you have a suitable power supply if you don't already. Connect the interface to your computer via the FireWire port. Then, start up your audio software and you're ready to record or play your audio. As for maintenance, keep it in a clean and dry place. Avoid exposing it to extreme temperatures. When not in use, disconnect it from the power source to prevent any potential damage. Also, handle it gently to avoid physical harm to the device.