How do you get the vertex manipulator to show up in Blender 2.90? I see in YouTube videos on blender that there is something called a manipulator. This allows for dragging and scaling on an axis. I cannot find this manipulator on my version of Blender. Here is a picture of what I am talking about:

How do I get that manipulator to show up in Blender 2.90?
This is the link to the video where I took this screenshot.
Activate the Move tool in the Toolbar :

Each tool have a specific manipulator.