For additional help, see Windows 2000 Professional Online Help . If you are upgrading from a previous version of Windows, some of the steps may differ. Refer to the Getting Started instructions you received with your copy of Windows 2000 Professional . Be sure that your computer is set up to boot from the CD-ROM drive. To verify or change the boot sequence, run the Setup program native to your machine.
Setup begins by checking the machine configuration and loading files.
When the Welcome to Setup screen appears, press Enter . Review the Licensing Agreement, and if you find it acceptable, press F8 . Follow the onscreen instructions to delete all existing disk partitions. The exact steps differ based on the number and type of partitions already on the computer. Continue to delete partitions until all disk space is labeled as Unpartitioned space .