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How to determine whether a computer is running a 32-bit version or 64-bit version of the Windows operating system
Describes how to determine whether the computer is running a 32-bit version or 64-bit version of the Windows operating system.
Genuine Windows - Microsoft Windows
Learn about genuine Windows—help and how-to, how to get it, business solutions, and more.
Free downloads - Microsoft Windows
Get free downloads for Windows 8, Windows 7, Windows Vista, and Windows XP.
Genuine Windows: frequently asked questions - Microsoft Windows
Find answers to common questions about genuine Windows.