How to Padding to Explorer Frame?

Hello .. I make themes for Windows 10 ... At the moment, it looks like this;



But I want to do so;



I wrote what I want on the picture. Who really know the person, I need your help.

AND MY DREAM! :)

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If you want to add something, I want to tell your friends .. Developing this theme. Please not empty talk(if talk,[Full,Fill,Loaded,Replete,Capacity] talk ). and please do not give short answers. I need to be informed :)

I do not know enough English. Forgive me.
Waiting for your reply.
Good Forums..

Edit: Sorry... Please move topic the customization.. thx