The Aryan version derives from the Persian Zoroastrian scripture Avestan, which says that in his old age, Feridon divided the empire into three parts, with the east to the eldest son Tur, the west to the second son Salem, and the south-central to the younger son Aryan. That is to say, the ancestors of Rome, Central Asia, and Iran were originally three brothers, and as for whether they could be trusted, they could only laugh. Although it is not kind to change other people's ancestors, they believe that their ancestors are called Aryans, and they have this freedom. The sutra is said to have been written in the 4th century BC, destroyed, and re-collected and compiled by the Sassanids in the 3rd century.
In modern times, a European named Nietzsche particularly worshipped Zoroastrian founder Zoroastrianism and wrote books for it. Later Hitler idolized Nietzsche and, in Mein Kampf, declared that Germania was of Aryan origin. After becoming head of state, it was even more hyped that aryans were the noblest race. That's how Aryans became popular.
Therefore, Aryan was originally the ancestor of the Persians who believed to be Zoroastrians, and it is also the reason for the name of Iran now. Ancient Persia may have expanded eastward, invading India from the northwest along Pakistan, becoming what came later known as the Ya'an invasion of India. Later, the Arabs expanded eastward and also walked this route. In 1987, a site was found in the Yelikoven Gorge in the southern Ural Mountains, but somehow it was related to aryans, so there is a claim that Aryans came from the southern Ural Mountains.
After reading so many statements about Aryan, it can only be said that barnyard officials and no history were so arbitrary, without any reverence for the history of the record.