Has Hope Activate Her Vampire Side?

In the episode "There's a World Where Your Dreams Came True," reality is altered and Hope is shown to be a ripper. In this reality, it's revealed that had Hope never went to the Salvatore School and learned to control her impulses, meaning she would have triggered her vampire side and awakened a violent bloodlust.

Why doesnt hope use her vampire side?

Hope has yet to die or be killed, and she can only activate her vampire abilities once that happens since vampires are by definition undead. ... Vampire blood may run through her veins thanks to her famous lineage, but she can't access that power until her death and subsequent resurrection as a vampire.

When Hope activates her vampire side will she still be a witch?

She has to die to activate her vampiric side. Hope is considered a tribrid, because she is a witch, untriggered werewolf, and has vampire blood. However, there is no way for her to have powers of all species at the same time.