Answer:
establish a Remote Desktop connection and update the driver.
Step-by-step explanation:
Based on the scenario being described within the question it can be said that the best option in this situation would be to establish a Remote Desktop connection and update the driver. This connection will allow you to control the user's computer from wherever you are located and manually perform the update yourself without having to travel to the user's location. Which will make it easier for both you (IT tech) and the client.