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Chapter 3. Getting Your Hardware and Sof... > Preparing Your Software for Windows ...

Preparing Your Software for Windows 2000 Professional

In preparation for upgrading or installing Windows 2000 Professional fresh, you need to consider software compatibility issues in addition to the hardware issues described previously. Chapter 1, "Introducing Windows 2000 Professional," and Chapter 2, "The Design and Architecture of Windows 2000 Professional," describe how Windows 2000 Professional is largely backward-compatible with DOS, Windows 3.x, and Windows 9x applications. However, you should be aware of some limitations. If you've been exclusively running NT, and your stable of software has tested acceptably on that platform, you're in pretty good shape for Windows 2000 Professional. There are some exceptions, of course, and software makers are busily upgrading their programs to comply with the requirements as the bugs are being worked out of Windows 2000 itself. In some ways, older software will run better under Windows 2000 Professional than it did under DOS, Windows 3.1, or Windows 9x environments.

Anyway, the good news is that Windows 2000 Professional will be highly compatible with many DOS and Windows 3.x applications, and certainly with 32-bit programs that were designed for Windows 9x and Windows NT. In addition, any old Windows 3.x software will benefit from having a face-lift—nicer borders, more options in the dialog boxes, smoother functioning, an increased capability to work with larger files, and so forth. The bad news is that Windows 2000 Professional won't be able to run some programs and utilities, at least not in their current incarnations. You'll either need updates to the software or have to bag such programs altogether. The payoff, as explained in Chapters 1 and 2, comes down primarily to increased reliability and security.


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