I already hold a uk bike and car license, so I had to watch the video, traffic light, brakes test! Also not forgetting the proof of residence from immigration, so basically had to do what I did last time. I assume if you already have the old Thai license, then you would just do the same.
I had same problem, had to go through the same process as getting it the first time! Fortunately having the knowledge, I did it my self, costing about 400baht for both car and motorcycle!
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.