qt and mingw can not run on windows 98?

I had downloaded QT windows Edition and Mingw and had installed them on windows 98.But can not run qmake.exe and gcc.exe.When I run them in windows 98 command.It prompted:
"This program can not run in dos mode."
When I run them on windows 2000,they can run well. why?

Windows 2k and later (XP, 2003, etc) are based on the NT kernel, while windows 95, 98 and ME are based on DOS. This means that some programs, such as Qt, and Qt-based products, do not run on windows 95/98/ME.

Thanks for you help!
But I want install them in windows 98 .How should I do?And the Qt allege can surport windows 98.

Quote:

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Originally Posted by e8johan

Windows 2k and later (XP, 2003, etc) are based on the NT kernel, while windows 95, 98 and ME are based on DOS. This means that some programs, such as Qt, and Qt-based products, do not run on windows 95/98/ME.

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Are you sure of that Johan? Windows98 is listed on Trolltech site as supported.

Quote:

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Originally Posted by e8johan

Windows 2k and later (XP, 2003, etc) are based on the NT kernel, while windows 95, 98 and ME are based on DOS. This means that some programs, such as Qt, and Qt-based products, do not run on windows 95/98/ME.

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Did you try ? :rolleyes:

I'm using Window$ ME sometimes and everything works fine... Anyway if the prebuilt executables are causing troubles you may try rebuilding qt from source...