H.o.W Link simply add your character name at the time and it will display information of your current progress without having to log into the game.
https://hom.guildwars2.com/en/#page=welcome
The following link will walk you through on how to link your accounts together. Note check the overview section first and if you already have Guild Wars "active" on the list of games show if not follow the steps on the following link.
