As a new player, you really want to explore the world (open areas) whenever you can. Quests take you all around the world, so do all new quests.

Try a new area and if it's too difficult, check chests and auction for new equips, level up and try again. Also, some areas are easier with familiarity, so keep trying and change your tactics if necessary.

There are respec kits in the auction house if you need to redo your stats and skills.