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 "room".

Step 5: Click "presentation materials" and then click "add a material".

Step 6: From this modal, you can choose to upload slides or a video.