Blue colour.
Windows 7
It is Windows 7.
Windows 7 is the latest Windows Operating System
Windows 7
Windows 7.
The standard OS for a PC is Windows, and the latest version is Windows 7.
windows 7
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Neither. Windows 7 is not the newest version of Windows, and there's no such thing as "Windows Diamond."
The latest would be Windows 7.
Windows 7
Windows 7 is the second-to-latest version of Microsoft Windows.