I'll add you so I can help better :)

Go through the levels first. They will give you everything necessary. Also try to find some secret weapons.

From there, it's all about learning. I would personally recommend learning how to parry and dash well; parries refill all health and dashes, dashes give you iframes that let you take no damage from practically every source of damage in the cybergrind.

For dash training, I'd recommend you use major assists in the settings to take much less (but not 0) damage so you can tell when you're dashing through attacks. Try to practice predictive dashing; most enemies have to move in a specific way or make certain noises before attacking. This lets you dash easier.

Parry training is a very long process. Go into sandbox and try to learn how to parry projectiles first, as there are many enemies that shoot a lot. Try parry training vs single targets, like strays. It'll force you to rely on proper timing. You can also use major assists to slow down time and lower the difficulty to make starting the process easier.
Typically melee parrying doesn't play as big of a role and is generally riskier to go for in the cybergrind.

like i only have 4 hours in it did you just proceed through levels or did you do cybergrind

how do you get good at it

Alright, cool.

no no its fine i just don't really play and did not mean to post to community

You were fine though. I'm sorry if what I said actually got to you. I didn't mean it like that.

its finee lol

i barely play anyways