1. Make sure your remote key is depressed and is showing blue.
2. Right click on the speaker icon of your computer and select playback devices.
3. Select a listed playback device you know is working and set it as the default device.
4. Leave that window and , again, right click on the speaker icon and select "open volume mixer." You should see the SmartSDR as a possible selection. You should see the audio bar moving up and down with the audio. Be sure it is enabled to listen.