1. Press the "Windows" key on your keyboard to open the Start menu.
2. Type "Device Manager" into the search bar and select the "Device Manager" option that appears.
3. In the Device Manager window, find the category for "Sound, video and game controllers" and expand it by clicking on the arrow to the left of it. You'll also need to expand "Audio inputs and outputs"
4. Right-click on the sound driver that you want to uninstall and select the "Uninstall device" option from the context menu.
5. In the confirmation window that appears, check the box next to "Delete the driver software for this device"(may be slightly different) and click on the "Uninstall" button.
6. The sound driver will now be uninstalled. You may need to restart your computer for the changes to take effect.
Note: If you are unable to find the sound driver in the Device Manager, you may need to check if it is hidden. To do this, click on the "View" menu at the top of the Device Manager window and select the "Show hidden devices" option. The sound driver should now be visible in the list of devices.