Random access memory or RAM is a general indication of a computer's performance. It is measured in megabytes or gigabytes. These steps will show you how to find the amount of RAM there is in a computer running the Windows operating system.
Step 1: Use Windows 7 In Windows 7, click on the Start button, right-click on Computer, and then click Properties. The amount of RAM is listed in the System section beside Installed Memory (RAM).
TIP: Windows 7 may report both the amount of memory that's installed on your computer and the amount of memory that's usable.
Step 2: Use Windows Vista In Windows Vista, click on the Start button, then Control Panel, then System and Maintenance, and then click on System. The amount of RAM is listed in the System section under Memory (RAM).
Step 3: Use Windows XP In Windows XP, click on the Start button, then Control Panel, and then click on System. The amount of RAM is given in the General tab at the bottom of the page.
FACT: Most RAM is volatile, and data stored there remains only as long as your computer is running. As soon as you turn the computer off, the data disappears.