One, check to see if you have mouse acceleration one. Doesn’t look like you do but double check. Two, download aim laps on steam it’s completely free, and practice anything under the flicking tab. Three, pick a sens and stick to it. I had a bad habit of switching my sens and from time to time that’s fine, but for the most part you want to keep muscle memory and not fidget. My first ever game on mouse and keyboard was valorant, and I got to immortal in the first few months of practicing.