i wanna grow hairs gemme some tips

I'm 18M and i wanna grow hairs after years of undercut and shit hairstyle I want to try something new now 🤌🏻

well i don't know how to Grow hairs or if I'm supposed to trim my hairs in a specific way to not give me a Malinga cut ( my hairs are curly)

I'm planning on having a wolf type haircut at some point so gemme some tips guys 🌝