Guild Wars 2

I haven’t done dungeons before and I don’t know how to join a group.

I see people posting LFG AC story, but how do you join this group? Whisper them?

Then once you join a party, how do you enter the dungeon all together?

right click the name of player that is LFG then choose invite/join
if there is not this option (which sometimes for some reason isnt there) click the little triangle on the left upper part of the screen next to a shaded avatar… this will open a window for writing text in which you can write the name of player LFG and then again click join/invite in that window. if you use gw2lfg.com then you can copy/paste the name in that window.

difference between invite and join is that you can invite single person to join you or your group, but if that person is in group already you can only join them. so if invite doesn’t work you will get “this player is already in guild/group” notification meaning you must repeat all and then choose join instead of invite…

you can not join your group with other group.