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Microsoft® Windows® XP Features 249
Application and Device Compatibility
Although Windows XP is designed to be compatible with a wide range of
application programs and hardware devices, some older programs and
devices may not be usable. Check the Microsoft Web site at
www.microsoft.com for application programs and hardware devices known
to be compatible. When buying new software and devices, look for those
that are labeled as ready for Windows XP. If you encounter problems using
an application program designed for an earlier Windows operating system,
Windows XP provides a compatibility mode feature (see “Program
Compatibility Wizard”). If you are unsuccessful at installing application
programs or hardware devices designed to operate on earlier Windows
operating systems, contact the manufacturer of the product for information
or updates for Windows XP.
Windows XP also includes a new technology that addresses the problems
sometimes encountered on previous operating systems with Windows
application programs that, when installed, replace current versions of
certain Windows files with older versions. This situation can cause
problems with the newer application programs, which rely on the replaced
files. To eliminate this problem and improve operating system stability,
Windows XP manages multiple versions of files and invokes the correct
version required by a program.
NOTE: If you experience problems with your operating system or other
applications after performing an installation, you can use System Restore to
return your computer to a previous stable condition.
Program Compatibility Wizard
A program compatibility feature is provided in Windows XP that solves
some issues that may be encountered when attempting to run older
application programs. Using the Program Compatibility Wizard, you can
configure a program to run in an environment closer to Windows 95,
Windows 98/Me, Windows NT 4.0 with Service Pack 5, or Windows 2000.
To use the Program Compatibility Wizard:
1 Click the Start button, point to All Programs—> Accessories, and
click Program Compatibility Wizard.
2 When the welcome screen appears, click Next>.