Whenever we download any pc game or other software which is having some requirements to run in the pc.
Then we think about where to find all this specification like DirectX and Graphic card.
So i am providing you simple steps to find out these specifications.:
1.First go to RUN and type "dxdiag"
2.In the SYSTEM ,you can find out DirectX version as in this pic ,it is DirectX 11.
3.In the DISPLAY section,the name is your GRAPHIC CARD name and its specifications.
Hopefully you understood it.