Be sure to check out all of the different side quests available in each area. Not only are they often shorter and easier than the main story quests, but they also provide valuable rewards that can help you out in a pinch.
Don't be afraid to take on tough challenges. The more difficult the content, the greater the rewards will be. So push yourself and see just how far you can go!
Make sure to complete all of the main story quests. Not only will this give you a great foundation for understanding the game world and lore, but it will also provide you with some powerful items and gear to help you in your future adventures.
Make use of the game's many social features. Joining a guild or party can make things a lot easier, and it's also a great way to meet new people and make friends.
Take advantage of the auto-run feature whenever possible. This will help you save a lot of time when exploring the world or traveling between quest locations.