1)

Open a guide and click on "GuideMe"

2)

Start following the steps one by one

3)

Type or click as the step instructs

4)

Sometimes when we play a guide in GuideMe mode, and a step element is not found, this error appears

5)

You can start the GuideMe mode from any step thumbnail

6)

From player view, you can start GuideMe mode directly by hovering over it 

7) How GuideMe works