Compatibility Issues


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Tutorial Home >Operating Systems >Windows 2000 >Installing Windows 2000 Professional >Pre-installation Planning >Compatibility Issues

  Step 1:  Overview

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When planning a Windows 2000 installation, you'll need to consider several compatibility issues that will determine how, or if, your programs will run in Windows 2000.
  Step 2:  DOS Programs

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Out of necessity to support a large amount of installed applications, Windows 2000 supports DOS programs in addition to Win32 (32 bit Windows Applications). In general, Windows 2000 can run DOS programs written for Windows 3.x. Programs that conform to the Window 9x compatibility standard will also run in Windows 2000. Check with the software publisher's website to see if your program is compatible with Windows 2000.
  Step 3:  Windows 3.x Programs

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Also out of necessity to support a large amount of installed applications, Windows 2000 supports Win16 (16 bit Windows Applications) programs in addition to Win32 (32 bit Windows Applications). In general, Windows 2000 can run programs written for Windows 3.x. Programs that conform to the Window 9x compatibility standard will also run in Windows 2000. Check with the software publisher's website to see if your program is compatible with Windows 2000.
  Step 4:  Dual Boot?

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If you're upgrading your existing system to Windows 2000, or if you intend to create a dual boot system between DOS/Windows 9x and Windows 2000, you must verify your program's compatibility. Check with your software publisher or check out the Windows 2000 home page at http://www.microsoft.com.