Blizzard Entertainment added Windows 10 DX12 support to its MMO World of Warcraft (WoW) and fans of the game responded with a warm welcome to new features such as multi-threading. Blizzard Entertainment contacted Microsoft about bringing the same improvements to WoW gamers that remain on Windows 7. Microsoft responded to feedback from Blizzard Entertainment and has now ported the user mode D3D12 runtime to Windows 7. "This unblocks developers who want to take full advantage of the latest improvements in D3D12 while still supporting customers on older operating systems." With the latest patch, WoW now supports DX12 on Windows 7! Microsoft is now working with other developers to port their D3D12 games to Windows 7. How are DirectX 12 games different between Windows 10 and Windows 7? Windows 10 has critical OS improvements which make modern low-level graphics APIs (including DirectX 12) run more efficiently. If you enjoy your favorite games running with DirectX 12 on Windows 7, you should check how those games run even better on Windows 10!