get good enough to hit immortal

Hi My name is Kira and Im kind of new to the game, to be honest Im kinda new to playing on Pc in general.
I use to play counter strike way back in the day around 4-5 years ago playing on an old cheap laptop and I like to believe I was decent at the game too lol. After that I sticked with console. I mainly played random fps games such as apex, which I hit diamond on the account solo quein the whole time.
But honestly Pc is different especially Val lol, I learn from the first few days its hard to solo que so now Im trying to find a solid team that I can grow my skills in with no toxic people. I only been playing for a month so far but I mainly play with jett and trying play better with reyna and yuro. I mainly entry frag or lurk and try to communicate as much as I can.