It is an ancient religion originating in Persia that is older than Judaism, Islam, and Christianity. The three pillars of faith are Good Thoughts, Good Deeds, and Good Words. The starter of the faith was Zoroaster, hence the term Zoroastrianism.
Zoroaster...the founder of a Middle Eastern religion called Zoroastrianism. He was Iranian. Aka Zarathustra. Ever see the movie 2001, a Space Odyssey? the theme music? It's called Also Sprach Zarathustra...based upon his writings.
Zoroastrianism...the religion founded by Zoroaster, sometime between the 18Th and 10Th centuries BCE.
Zoroastrianism is an ancient religion that Pre-dates Islam and Judaism, however since Islam came about the religion has declined and will probably die since you cannot convert to it
some evidence finds that Jews moving through Persia picked up some practices from the Zoroastrians