Quickly Determine Which Version of Windows You Have
By Rick Broida
You probably know if your PC is running Windows XP, Vista, or 7–but do you know which version of Windows it is? For example, is it XP Home? Windows 7 Ultimate? And is it the 32-bit or 64-bit variety?
Knowing the answer to the last question is increasingly important these days, as you can’t run 64-bit software on a 32-bit OS. Likewise, if you do have 64-bit Windows (often referred to as “x64”), you should always opt for 64-bit versions of your favorite applications (when available).
Windows doesn’t paste this information anywhere in plain sight, but it’s easy enough to find. In Vista and 7, right-click your Computer icon and choose Properties. Presto: all the information you need in one handy box.
You can also click the Start button, type version, and then click Show which operating system your computer is running.
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