Microsoft announces four Windows 8 editions(HEXUS) Microsoft Details Four Windows 8 SKUs, Seems Reasonable(PC Perspective) Microsoft outlines Windows 8 editions(The Tech Report) Microsoft reveals three Windows 8 versions, mentions a fourth(VR-Zone) Microsoft Reveals Main Windows 8 Editions(techPowerUp!) Microsoft、次期OSの正式名称を「Windows 8」に決定~x86/x64は「無印」と「Pro」に集約、ARM版は「RT」に(Impress PC Watch) 速報:Window