In regards to Microsoft naming the new operating system Windows 10 instead of Windows 9, Terry Myerson said that "based on the product that's coming, and just how different our approach will be overall, it wouldn't be right to call it Windows 9."
Terry Myerson fra Microsoft har dog udtalt, at "baseret på det produkt, der kommer, og hvor anderledes vores tilgang samlet set vil være, ville det ikke være rigtigt at kalde det Windows 9."