To Get a screen shot of any computer screen :
Press Print Screen / Sys Rq in current position. Open Microsoft Paint.
Click on edit and paste. You will see your current window position and you can save
it.
To know about your Computer configuration :
Go to Start menu, Click on Run Or Press Windows Logo Key + R, Then
Write dxdiag and Press Enter. If any message appears then click on Yes. You
will see your full computer configuration... For details follow below.