DirectX 12 will indeed be exclusive to Windows 10

[Windows Central]

A new report from Microsoft's Windows 10 press event today confirms that the upcoming DirectX 12 graphics API will only be for Windows 10 users. In other words, Windows 7 and 8 PC owners will have to take advantage of Microsoft's offer of a free upgrade to Windows 10 for one year to get the benefits of DirectX 12.

Full story from the WindowsCentral blog...