If you want sound you have to go into the settings and tick the box to render sound, but yeah; that's it. Keep in mind that it's going to be a very large file compared to the files you might get from a camera.
Also keep in mind that the uncompressed file won't play back smoothly, if you try to play it. This page explains why: [link] You will want to take that uncompressed file into the Adobe Media Encoder (or something similar) to make your final playback/delivery file.
- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')
No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.