Install Windows XP without Data Loss

With Your Windows XP installation CD and key
Follow the steps below:

1. Insert the Windows XP CD to your Optical Drive and Start your computer.
Make sure that the computer boots from the installation CD. If it is not booting from the CD try changing your boot options in the BIOS.

While booting from the CD, press any key to start the process.

2. Press ENTER to set up Windows XP.

Do not press R. It will start, Recovery Console which is not desirable.

3. Press F8 to Agree the License Agreement.

4. Press R to start the recovery install

Select the currently installed Windows XP location which you want to repair. Press R to repair the installation.
Now it will copy the files...

5. Press ENTER to reboot or else wait until it reboots by itself

Setup will continue after restart.

6. Do not boot from the CD after start up

After booting up from your hard drive it will continue installation. Follow the normal installation process.

And after successful installation, your computer will restart once again. It may take some time during the first startup.

Now your desktop should be accessible. In case of any problem do leave a comment.