Some sort of base either underground or really high in the air. Zombies are unintelligent so locking your doors and having a safe unreachable location will give you time to relax.
Wear protective gear when going out so that zombies cannot get you. Gas mask, armor, and a weapon to fight with are good.
Collect food, water, and oxgen in your base. Sharing is not caring and feel free to stock material in order to survive.