Hole saw for a side window? For cutting fan holes yes. For cutting a window start with a 1/2in or bigger drill bit for the starter hole. Then cut the hole with a jig saw and metal cutting blade. Blades are measured in Teeth Per Inch. I think I used one with 32 or 64 cant remember.
idk but if i were to spray paint that keyboard i would map the keys so i know where to put them back, theni would take off those keys and paint spray them on a surface and put the keys back on when they dry