(Click on the image to enlarge the view)
Insert the CentOS DVD and boot your machine with the cdrom. You will get the below screen.
Select "Install CentOS 7" and Press Enter
Next Select the Language as per your preference and click on "Continue"
The Next screen completely new as compared to earlier releases of CentOS. Now you have to work on all the thumbnails you see on this screen one by one. So lets start by adjusting "Date and Time"
Next you will get the below screen where you can select your continent and click on "Done"
Next lets configure our partition using "Installation Destination"