Here are the steps to burn files to DVD:
1. Create Data DVD project.
2. If file browser is not opened in DB then press "Lunch new browser window" button from tool panel and press "Tile vertically" button. You'll get the view as in Help file.
3. Locate needed files in browser window.
4. Drag needed files to project window.
5. Go to Burn Disk section.
6. Choose burning speed (optional) and press "Burn" button.
Refer to help file (Help -> Contents) for more details please.