Upgrading to Windows 2000 Professional

You can upgrade to Windows 2000 Professional from any of the following versions of Windows:

  • Windows 9x

  • Windows NT Workstation 3.51

  • Windows NT Workstation 4.0

You cannot upgrade to Windows 2000 Professional from Windows 3.1 or earlier versions, Windows Me, or from any version of MS-DOS.

Preparations to Make Before Upgrading to Windows 2000

It probably won't surprise you to realize that Windows 2000 requires more powerful hardware than its predecessors:

  • Pentium 133MHz or compatible processor; dual processors also supported

  • 64MB of RAM

  • 2GB hard disk with 650MB free space

  • CD-ROM or DVD-ROM drive

  • VGA or higher-resolution monitor

  • Keyboard

Some older systems might require processor, memory, or hard disk upgrades to be ...

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