How to Identify Your Computer Windows Version, CPU, and Size of Installed Memory
Computers come in a wide variety of makes and models pieced together with parts made by a variety of manufacturers. So how do you know exactly what parts lurk inside your computer?

Luckily, Windows takes pity on its users and tells you exactly what parts lurk inside your computer — you don’t even need to remove its case. The first step is finding out your Windows version, your computer’s central processing unit (CPU), and its amount of random access memory (RAM).

Follow these steps to locate your version of Windows, your computer’s type of CPU, and its amount of memory.

1. Click the Start Menu button, right-click Computer, and choose Properties.

2. In the Windows Edition section, look to see your version of Windows.

In the System section, look at the System Type line to see whether you’re running the 32-bit or 64-bit version of Windows. Thinking about upgrading your memory? You need a 64-bit version of Windows to access 4GB or more of memory.

3. In the System section, look at the Processor line to see your computer’s type of CPU, and its speed in gigahertz (GHz).

Windows XP users will find their processor and amount of memory listed in the Computer area.

4. In the System section, look at the Installed Memory line to see your amount of memory.

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