Although this is not really the appropirate forum for this topic, I will assist you.
The editor video is very old and outdated. We don't use many of the guidelines you learned about there.
Now the button to add roads and places looks like a pencil:
It's in the upper right of your screen along with the Save, Back, Forward, Delete (DON'T DELETE WITHOUT ASKING FIRST) and Layers panel.
Please take a few minutes to review the following Wiki page
on editing and ask for assistance in the chat if you need any help.