How to navigate "Edit Page in Visual Builder Studio", and the implementation sequence

Summary:

Would like to know how to navigate "Edit Page in Visual Builder Studio", and the implementation sequence between Customized DFF/VBS/Enable RSSP.

Content (please ensure you mask any confidential information):

Hi experts,

As we are informed to upgraded to Redwood UI, I'm collecting the information required to do so.

Duly review the video recorded for SCM – Product Help: SCM Redwood User Experience session

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And I spot the the speaker was able to navigate to "Edit Page in Visual Builder Studio" function from the avatar icon, like this:

However, mine is like this:

May I ask what's the prerequisite of getting to that function?