1. Learn russian.

2. Go play on aim maps, so you have better aim.

3. Get better at movement, just watch some youtube videos on movement and practice.

4. Lear line-ups for Smokes,Flashes,Nades,and Molys, line-ups are really important in higher ranks and in face.it

5. Try not to rage, just chill, sometimes it can be hard, but just dont scream at your teammates because that wont help most of the times, sometimes it will make it even worse, so keep that in mind.

I hope these pro tips helped you, if not "It is what it is" -Me