Many serious chess authorities have argued, and indeed cogently, that getting to 1000 will do it.
how to get out of 900?

Try taking some of the lessons here in the Learn section. Not videos to watch, but the lessons that have 5 Challenges at the end which act as practice sessions. I see you are a paid member so unlimited lessons should be available to you.
If you know what your common mistakes are, you should be able to find lessons that address those. You can also do Custom Puzzles to practice things you have trouble with.
Hope this helps.

Yeah definitely tactics and a few solid openings for white and black, caro kann or sicilian are good for black against e4, against d4 there are more flexible options, maybe check out some youtube videos that give introductions to the most popular openings and see which of them you like most

Many serious chess authorities have argued, and indeed cogently, that getting to 1000 will do it.
This is the best way to do it. Ignore all the comments about lessons and tactics. Just do this.

your higest rating is 1300? just think back to when you were in your prime and see what you did in your games

You really just need to work on tactics. Positional chess and openings are really not that important at this level. When I was 900, my tactics were what really allowed me to get the upper hand and advance to 1000. Doing a lot of puzzles should help.

I agree in almost all of you, but you know how I crossed 1000? Played in tournaments (10 | 0 arena or 3 | 0 arena). I don't know why, but I have never lost my elo in arena tournaments (only in swiss) (I played 4 blitz and 6 rapid)

ez way out of 900 is just to play non-e4 openings and learn maybe 3-4 openings really deep
thanks i do wanna learn some fancy openings

You really just need to work on tactics. Positional chess and openings are really not that important at this level. When I was 900, my tactics were what really allowed me to get the upper hand and advance to 1000. Doing a lot of puzzles should help.
agree, that's what im doing rn

I suggest that you take a bit more time when doing puzzles. I see you either get a puzzle correct very quickly (scoring 100% or close to it) or you fail the puzzle very quickly. It seems to me that you are not learning anything that way. You either know the pattern or you don't, but you are not learning any new patterns. Take a few more seconds to take in the whole board, count the material, and look at how the pieces are interacting before making your first move.

Check out Aimchess.com for daily exercises. There are also quite a few free courses on Chessable for everything from opening theory to tactics to endgames.

I suggest that you take a bit more time when doing puzzles. I see you either get a puzzle correct very quickly (scoring 100% or close to it) or you fail the puzzle very quickly. It seems to me that you are not learning anything that way. You either know the pattern or you don't, but you are not learning any new patterns. Take a few more seconds to take in the whole board, count the material, and look at how the pieces are interacting before making your first move.
thank you that really helped!
yep cheat is a way but say something else pls