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Go to
Start, select
Run
Type
WINVER and click
OK
In
Windows XP the following box will appear, as can be seen below the Operating System installed is
Windows XP Professional. In this window you will also see what
Service Pack is installed
In
Windows 7 the following box will appear, as can be seen below the Operating System installed is
Windows 7 Enterprise. In this window you will also see what
Service Pack is installed
