Step 1: Log into your Demio account by clicking here.
Step 2: Once you are logged in, click on the name of the webinar you would like to add an action to.
Step 3: Click on "customize".
Step 4: Click on "automation".
Step 5: Click the "3 dots" and then click "swap video".
Step 6: Choose your file to upload and then click "swap the video" to complete the swap.