Windows7 system format C drive operation steps

        I originally used XP installed on the C drive, is FAT32 format and now installed a Windows7 on the E drive. Now I want to put the C drive on the Windows 7 in C, but I found out that Windows XP has been deleted. But now I can't put Windows 7 in C. How do I ask? There

Windows7 installation CD to install the tool and, like the image to extract the root directory of the D drive or D drive and then restart the computer running Windows7 installation tool installation interface and then choose to install to the C drive and CD-ROM you want to install exactly the same tools Can be sent to you.

there is that you do not go to reinstall the system C drive format you could get in Windows7 Windows7 boot boot files much more in the logical disk master disk DE C drive disk you can now choose a 2, Reinstall the system grid C drive to install the C drive system; Second, keep the C drive to maintain the current state.