Should I skip season 4?

Hi everyone, to start off with I wanted to say I've watched all of flash, up to arrow season 6 before. Arrow was years a go and I've been rewatching.

I want to watch legends of tomorrow and I know there are important things within season 4 for that show.

My question is should I skip season 4 of Arrow or should I watch specific episodes? Any help would be appreciated.

Thank you.