How do you play assassin's Creed early?

You can get started in the viking age with the tips from the assassin's creed Whistle while you are working. It's necessary to upgrade the ration asap. If you have two-handed weapons, equip them. Weak points are the ones to aim for. If you want, you can re-spec whenever you please. The Animus should not be used after big story moments. There are things on the map.