How do people get more efficient at getting headshots? And how do they know (roughly or precisely) at what hight to aim in order to maximise the chance of getting headshots? I've been trying to use objects in the map (which I've read is how...

I see a lot of people who play VALORANT to rank up. That was me, but after a while I realized that there wasnt really anything in it for me other than an ego boost. I started playing unrated/swiftplay only (and comp with my friends when the...