How to set up the debugger in Qt4.7?

[8Observer8]

Hi

How to set up the debugger in Qt4.7?

I put a break point, but the program does not stop.

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[8Observer8]

How to set up a compilation by MinGW (not Visual)?

I don't want to install Debugging Tools for Windows.

Added after 55 minutes:

How to delete the Microsoft Compilers from the list?

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[8Observer8]

I deleted all Microsoft compilers from my computer, but the breakpoint does not work.

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