Different methods to check System Configuration

Fairly simple one is to check the System Properties (Right-click My Computer, and then click Properties) or from BIOS (before the computer boots)

Windows key + R will take you to Run Command and type Msinfo32

Msinfo32  provides system information

Type dxdiag (either in command prompt or Run window)

provides DirectX Diagnostic Tool results

devmgmt.msc - shortcut to device manager

perfmon – performance of the system can also be monitored by adding various system related counters.