After you watch the entire prompt video (i.e.without skipping ahead), you will be able to upload your response.
To upload an existing video file, select the gray Upload Pre-Recorded Video button.
You can upload videos using the following file types: .mov, .mp4, .WebM, .FLV, or .avi.
Select the relevant video file from your computer.
Once you choose the relevant video, select the blue Upload File button.
If you would like to discard the chosen file and select a different one, select the Trash icon to the right of the Upload File button.
When your file upload is complete, you can select the gray Try Again button to remove your existing video file and upload a new one.
Otherwise, select the blue Assess Your Response button and begin your Self-Assessment.
Learn how to submit your Self-Assessment.