I'll do the best that I can... But remember that my circumstances are a bit strange. Due to the high pressure surges, I need to have the mask tighter than most people. And yes, I'll also post over in that other thread.
First a disclaimer. As I mention, due to my ASV machine, I need my masks tighter than I recommend for most people. So what works for me may not for others.
Next, also be aware that my head is on the extra large size. Literally. I wish I could say it's because there is more in there. I think it's just because I have a thicker skull. Just ask my wife or kids!
But it does impact how I adjust a mask. I start by letting out the mask to the very end of its reach.
Then I put the mask on. Follow the printed guide by placing the nose first and the "swing" the mask onto the face. And I allow the machine to start before I start adjusting the mask.
Next, I "scootch" the top of the the mask down below where my glasses go. If it's up higher, it leaks. If it's down lower it presses against my face and cuts off my sinuses.
Then I adjusted the straps to the loop that goes over the top of the head and the top strap fit me rather like a yamaka. In other words my bald spot is surrounded by the top strap and the part that goes over my head.
The lower strap I pull down so the strap comes up under my jaw up to the mask.
The nuisance of this arrangement is that the top strap comes even with my eyes. I can not watch TV or read with this mask, because of that. But it is much more comfortable than the Quattro with the head piece.
Like I say, I need mine to be a bit tighter than I would normally recommend. When I have a central apnea, my ASV machine ramps the pressure upto 25cm H2O, which blows out just about any seal if the mask is not tight. But this way, I do not have the head piece buried in my forhead. It literally left indentations that lasted most of the day.
Hope that helps.