Trying to Fix my Laptop that overheats and shut down. (TELL ME WHAT DO TO FIX IT PLS)

It was working for a long time. then all the sudden It start overheating and shutting down every single time I turn it on it be on for a couple minutes then it well shutdown.
What do need to I already clean cooling fan the and the vent thing on the heat pipe vent metal part. where does fan blows air out at. I blow all the dust out and wipe it out.

This is an HP Beats 15 Notebook Laptop this laptop is expensive as hell
I use this laptop to games on geforce now and stuff and now this.
I tried taking it apart just to clean the dust out and this is still having.

Comment what should I do to fix it.
This is my Problem with this laptop I use all the time.
I was little nervous trying to make this video.

(TELL