Best way to improve aim?

trust me
play in Training awp maps with bots like : DeadNight's Training Map , 3 Aim Botz .... you can google it

I always improve my aim by going into a workshop map named : aim_botz. It is very usefull because you can do alot of customizations to it.
Also a good pc and equipment comes in very handy

the way i got better was to play 1v1 servers and retake servers

Casual, Aim-maps, You should goto youtube first then posting on here, Lookup on the workshop too for aim maps and train with friends in 1v1's . And maybe crosshairs help with aim

Search the steam workshop for 'aim map' or something and just practice on it for a bit before you play a competitive match.

Reflex maps as well as headshot only maps and dont spam your guns purely tap.

Headshot dead match servers, aim_maps or you have workshop maps for training recoils and aiming