Have always played on PC. Never installed any mod into game.
Don't know rotation. Learn it by playing game.
Don't know where to stand for mechanics during fight. Learn it by playing game.
Want to know how your DPS compares to other party members. Why does it matter as long as the content is cleared. As a DPS you can generally tell where you stand by your rank on the enmity list. There isn't a need for exact numbers during the fight. I generally see parsers more often used by people trying to e-peen or using it to berate players that are below them on the parse.