Insert the Windows XP CD-ROM into your CD-ROM drive or DVD-ROM drive, or insert the first Windows XP Setup boot disk into the floppy disk drive if you are starting from Setup boot disks, and then restart the computer.
NOTE: To start your computer from the Windows XP CD-ROM (or from the Setup boot disk), your computer must be configured to start from the CD-ROM drive or DVD-ROM drive (or the floppy disk drive). In some cases, you may have to modify your computer's BIOS settings to do this. For information about how to configure your computer to start from the CD-ROM drive or DVD-ROM drive (or the floppy disk drive), see the documentation that is included with your computer, or contact the computer manufacturer.
If you are starting the computer from the Windows XP CD-ROM, select any options that are required to start the computer from the CD-ROM drive if you are prompted to do so.
If an existing Windows XP installation is detected, you are prompted to repair it. Press ESC (do not repair).
All existing partitions and unpartitioned spaces are listed for each physical hard disk. Use the arrow keys to select the partition or unpartitioned space where you want to create a new partition, and then press D to delete an existing partition or press C to create a new partition using unpartitioned space. If you press D to delete an existing partition, you must then press L (or press ENTER, and then press L if it is the System partition) to confirm that you want to delete the partition. you can then select the resulting unpartitioned space and then press C to create the new partition
If you want to install Windows XP, use the arrow keys to select the partition you want to install Windows XP on, and then press ENTER.
Select the format option that you want to use for the partition, and then press ENTER. The options are:
302686 Differences Between a Quick Format and Format During Windows XP Setup