1)

Click on "Add Step"

2)

Select "Video Step"

3)

Click on "Upload Video"

4)

Enter step title and description 

5)

Click on "Choose File"

6)

Select any video that you want to uploadĀ 

7)

Click on "Open"

8)

Click on "Submit"

9)

Your video is getting uploaded, click on "OK"

10)

The video has been uploaded successfully!