Hello QT Creator (install QT Creator in windows XP)

Download IDE

We need an IDE for development. (Dev C++, VS .Net, QT Creator, Eclipse)
Here we choice QT Creator to achive this goal, so you have to download the QT Creator for windows in official site.
qt-creator-win-opensource-2.1.0.exe (included MinGW).
http://qt.nokia.com/downloads/qt-creator-binary-for-windows

Download QT Library

Also, you have to download the QT library for compile and make.

qt-win-opensource-4.7.2-mingw.exe  (compiler, qmake, QT library)

http://qt.nokia.com/downloads/windows-cpp

When you ready all materials, let work it out!

Install the QT Creator

Just click Next until it's done.

Install the QT library

Only have to modify the MinGW install path to QT Creator install folder.
like C:\Qt\qtcreator-2.1.0\mingw

Then just click Next until it's done.

Setup Environment Variables

Add Path

C:\Qt\4.7.2\bin

C:\Qt\qtcreator-2.1.0\mingw\bin

Add Variable

QMAKESPEC = C:\Qt\4.7.2\mkspecs\win32-g++

QTDIR = C:\Qt\4.7.2

Hello QT

Create a test.cpp file in C:\QT\Work
#include <QApplication>
#include <QPushButton>
int main(int argc, char *argv[])
{
   QApplication app(argc, argv);
   QPushButton hello("Hello world!");
   hello.show();
   return app.exec();
}


Execute Cmd.exe for Compile and make
Chang directory to C:\QT\Work
Execute qmake -project in command line.
Execute qmake in command line.
Execute make in command line.

Run it !

Hello QT Creator

1. Execute Qt Creator
2. Select File->New File or Project on menu.
3. Choose Qt C++ Project and Qt Gui Application then click Choose.

4. Input project name and folder location.
5. Decide the 'Main Window' class infomation, then click Next and Finish.
6. Select Debug->Start Debugging->Start Debugging on menu.

Reference:
http://blogold.chinaunix.net/u3/94212/showart_2526345.html
http://qt.nokia.com/