Are you referring to the Welcome Screen for Dreamweaver that shows sections like Open Recent Item, Create New and Top Features? If so, you can do 1 of the following:
1. Select File > New > HTML and click the Create button to create a new HTML page.
2. Open the Preferences screen by selecting the Dreamweaver menu, then Preferences. Then, you can click the Show Welcome Screen checkbox to show the Welcome Screen highlighted in the video.
I hope this helps, if I've missed your point, please let me know.