Click "Tutorial Guide"
Inside a folder or sub folder, click the floating plus icon in the lower right
Enter the guide name, description and image accordingly and click "Submit"
Click the plus icon floating in the right bottom and then click "Text Slide"
Add an image from here
You can save the guide or add more steps to it
You can add or record audio from here
Publish the guide
Also publish the parent folder so the guide is available at player end
It appears like this!