1. Go to Cast Editor from the Admin dashboard. Click on the edit button on your chosen block. Click the ‘+’ sign to add a new resource.

If you intend to upload the resource inside a course, click on any course in the Cast Editor. 

2. Click on the Edit Course Content button in the Course Profile.

3. Click on the + Add Resource button in the section where you want to put the resource in. 

4. Select Link from the list of resources. 

5. Type or paste the URL or the link on the space provided.

6. Give your link a name. Insert a thumbnail by clicking on the Add image button or the image icon under Thumbnail.

7. Type a description for this resource, if needed. Click on Next to save your changes.