Actually iTunes Store existed April 2003 as Mac only before iTunes for Windows was available Oct the same year. This was I think why at the time BuyMusic.com m

Actually iTunes Store existed April 2003 as Mac only before iTunes for Windows was available Oct the same year. This was I think why at the time BuyMusic.com made a huge deal of launching its store as Windows only https://en.wikipedia.org/wiki/History_of_iTunes https://en.wikipedia.org/wiki/History_of_iTunes