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install the Windows Backup program. If you're using Windows NT 4.0, Windows
Backup is installed by default. You must have a tape drive installed to use the
Backup tool in Windows NT.
C.3.6 Upgrading vs. Installing a New Copy
After you start the Windows XP Professional Setup Wizard, one of the first
decisions you have to make is whether to upgrade your current operating system
or to perform an entirely new installation. During the setup process, you must
choose between upgrading or installing a new copy of Windows (a "clean
install").
During an upgrade, the Windows XP Professional Setup Wizard replaces existing
Windows files but preserves your existing settings and applications. Some
applications might not be compatible with Windows XP Professional and
therefore might not function properly after an upgrade. You can upgrade to
Windows XP Professional from the following operating systems:
• Windows 98 (all versions)
• Windows Millennium Edition
• Windows NT 4.0 Workstation (Service Pack 6 and later)
• Windows 2000 Professional (including service packs)
• Windows XP Home Edition
If your computer is currently running an unsupported operating system, you
must install a new copy. The wizard installs Windows XP Professional in a new
folder. After the installation is complete, you will have to reinstall applications
and reset your preferences.
If you want to modify the way the wizard installs Windows XP Professional, click
Advanced Options, and then perform any of the following tasks:
• Change the default location of the setup files.
• Store system files in a folder other than the default folder (\Windows).
• Copy the installation files from the CD to the hard disk.
• Select the partition on which to install Windows XP Professional.
Unless you're an advanced user, you should use the default settings.
C.3.7 Running Windows XP Professional Setup
The Windows XP Professional Setup Wizard gathers information, including
regional settings, names, and passwords. The wizard then copies the appropriate
files to your hard disk, checks the hardware, and configures your installation.
When the installation is complete, you're ready to log on to Windows XP
Professional. Note that your computer restarts several times during the process.
How you start the Windows XP Setup Wizard depends on whether you're
upgrading or installing a new copy of Windows. Determine your installation
method, locate the appropriate section in this manual, and then follow the
procedures for your Setup scenario.
If You're Installing a New Copy (Clean Install)
If your computer has a blank hard disk or your current operating system isn't
supported, you need to start your computer by using the Windows XP
Appendix C: OS and System Driver Software 73
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