AMD announced Ryzen supports Win7 (drivers). A few days later, they changed the marketing to Win10. If AMD wants to sell their new Ryzen make sure Win7 drivers

AMD announced Ryzen supports Win7 (drivers). A few days later, they changed the marketing to Win10. If AMD wants to sell their new Ryzen make sure Win7 drivers are available (even if it's not marketed, as Microsoft is bitter about it - Win7 is still most used OS).