Preparing Your Video for Upload
Check the specifications as listed here
Preparing Your Template for Upload
Create ZIP archive:
All files including the project and any other files related. For example the read me file, font file, tutorial of how to use the template, etc. as well as a preview/presentation video of your template and full size screenshot image.
Preparing Your Music Track for Upload
WAV format file. Requirements: Bit Depth: 16. Sample Rate: 44100 Hz. Channels: stereo.