To open the DirectX Diagnostic Tool:
- Press the Windows Key and the R key together.
- In the dialog that appears type "dxdiag" (without the quotes) and click OK.
- Once opened, if being run for the first time, it may ask to digitally sign the drivers. Click Yes..
- The screen may flash a few times while signing these drivers. Once finished it will open to the System Screen.
The system screen will display the specifications of the computer as seen in the image below.