Like others have said, you need to give better details for us to help. If you don't know the details here is how you get them.
For cpu:
Windows 7
Click on start, then control panel. Then click on system and security, then system. Your cpu well be listed here.
Windows 8
Press the Windows button + c then click the magnifying glass on the side. Type control panel then click on control panel in the results. Follow the rest of the steps for Windows 7.
For gpu:
Windows 7
Click start, then type dxdiag in the search box (I believe, it's been awhile) Then press enter. Click on display, your gpu is listed in the top right.
Windows 8
Press the Windows key + c. Type dxdiag and click on it in the results. The rest is the same as Windows 7...