Step 1: Use this converter here.
Step 2: Configure these options and upload original video file.
- Choose a Preset: 1280X720 HD 60p (choose "no-preset" if original video is not standard size)
- Set file size: set between 8-12mb
- Press start convert.
Step 3: Download the new converted file to your computer and upload/update source code in CMS Max content area.