You can view a summary of important information about your computer by opening System in Control Panel. You can see basic hardware information, such as your computer's name, and you can change important system settings by clicking the links in the left pane of System.
Open System by clicking the Start button , right-clicking Computer, and then clicking Properties.
System presents a summary view of basic details about your computer, including:
Windows edition. Lists information about the version of Windows running on your computer.
System. Displays your computer's Windows Experience Index base score, which is a number that describes the overall capability of your computer. Your computer's processor type, speed, and quantity are listed, if your computer uses multiple processors. For example, if your computer has two processors, you will see "(2 processors)" displayed. Also displayed is how much random access memory (RAM) is installed and, in some cases, how much of the memory is usable by Windows. For more information about your computer's base score and what it means, see What is the Windows Experience Index?
Computer name, domain, and workgroup settings. Displays your computer's name and workgroup or domain information. You can change this information and add user accounts by clicking Change settings.
Windows activation. Activation verifies that your copy of Windows is genuine, which helps prevent software piracy. For more information, see Activating Windows 7: frequently asked questions.
The links in the left pane provide access to additional system settings.
Device Manager. Use Device Manager to change settings and update drivers.
Remote settings. Change settings for Remote Desktop, which you can use to connect to a remote computer, and Remote Assistance, which you can use to invite someone to connect to your computer to help with a computer problem.
System protection. Manage settings that automatically create the restore points that System Restore uses to restore your computer's system settings. You can turn System Protection on or off for the disks on your computer, and you can create restore points manually. For more information, search Windows Help and Support for "System Restore."
Advanced system settings. Access advanced performance, user profile, and system startup settings, including Data Execution Prevention, which monitors programs and reports possible security attacks. You can also change your computer's virtual memory settings.