Generally, we will upload your content during assembly. Should your content not be available during this time, then you can easily  upload the content yourself by use of the supplied USB cable & connecting to your PC or MAC.
IMPORTANT: Once you have completed the video upload, please ensure you eject the drive via the Safely Remove Hardware optionin the system tray of your PC or MAC. If you simply pull an external drive out of a running computer, you might lose files, crash applications, or, even crash the video brochure.