Well you'll need to Google around, there may be guides available for your model. Not that I'm trying to fear you, but at least with my current HP laptop, getting to the heat sink was a big nightmare since it required disassembling almost the entire laptop. Also, this will probably void your warranty (if you care about that -- I don't)...
Avell A70 MOB: Core i7-11800H, GeForce RTX 3060, 16 GB DDR4-3200, Windows 11 (Insider Preview)
ASRock Z97M OC Formula: Pentium G3258, GeForce GT 440, 16 GB DDR3-1600, Windows 10 (22H2)
ASRock Z97M OC Formula: Pentium G3258, GeForce GT 440, 16 GB DDR3-1600, Windows 10 (22H2)
