I download qwt from right link and now i have all files.
I edit qwtconfig.pri
# Install paths


VER_MAJ = 5
VER_MIN = 2
VER_PAT = 0
VERSION = $${VER_MAJ}.$${VER_MIN}.$${VER_PAT}

unix {
INSTALLBASE = /usr/local/qwt-5.2.0
}

win32 {
INSTALLBASE = C:/qw/qwt-5.2.0
}

target.path = $$INSTALLBASE/lib
headers.path = $$INSTALLBASE/include
doc.path = $$INSTALLBASE/doc


# qmake internal options
#

CONFIG += qt # Also for Qtopia Core!
CONFIG += warn_on
CONFIG += thread


# release/debug mode
# If you want to build both DEBUG_SUFFIX and RELEASE_SUFFIX
# have to differ to avoid, that they overwrite each other.

VVERSION = $$[QT_VERSION]
isEmpty(VVERSION) {

# Qt 3
CONFIG += release # release/debug
}
else {
# Qt 4
win32 {

CONFIG += release # release/debug/debug_and_release
#CONFIG += release_and_release
#CONFIG += build_all
}
else {
CONFIG += release # release/debug
}
}

# If you want to have different names for the debug and release
# versions you can add a suffix rule below.


DEBUG_SUFFIX =
RELEASE_SUFFIX =

win32 {
DEBUG_SUFFIX = d
}

# Build the static/shared libraries.
# If QwtDll is enabled, a shared library is built, otherwise
# it will be a static library.

CONFIG += QwtDll


# QwtPlot enables all classes, that are needed to use the QwtPlot
# widget.
##

CONFIG += QwtPlot


# QwtWidgets enables all classes, that are needed to use the all other
# widgets (sliders, dials, ...), beside QwtPlot.


CONFIG += QwtWidgets

# If you want to display svg imageson the plot canvas, enable the
# line below. Note that Qwt needs the svg+xml, when enabling
# QwtSVGItem.


#CONFIG += QwtSVGItem

# If you have a commercial license you can use the MathML renderer
# of the Qt solutions package to enable MathML support in Qwt.
# So if you want this, copy qtmmlwidget.h + qtmmlwidget.cpp to
# textengines/mathml and enable the line below.


#CONFIG += QwtMathML

# If you want to build the Qwt designer plugin,
# enable the line below.
# Otherwise you have to build it from the designer directory.


CONFIG += QwtDesigner

# If you want to auto build the examples, enable the line below
# Otherwise you have to build them from the examples directory.


CONFIG += QwtExamples
Next i open Qt command line and type "qmake qwt.pro" (0 errors)
Next (follow instructions) "mingw32-make" (0 errors)
Next "mingw32-make install"
C:\qw\qwt-5.2.0>mingw32-make install
cd src\ && mingw32-make -f Makefile install
mingw32-make[1]: Entering directory `C:/qw/qwt-5.2.0/src'
mingw32-make -f Makefile.Release install
mingw32-make[2]: Entering directory `C:/qw/qwt-5.2.0/src'
copy /y "..\lib\libqwt.a" "c:\Qwt-5.2.0\lib\libqwt.a"
Liczba skopiowanych plików: 1.
copy /y c:\qw\qwt-5.2.0\src\qwt.h c:\Qwt-5.2.0\include
Liczba skopiowanych plików: 1.
copy /y c:\qw\qwt-5.2.0\src\qwt_abstract_scale_draw.h c:\Qwt-5.2.0\include
Liczba skopiowanych plików: 1.
copy /y c:\qw\qwt-5.2.0\src\qwt_array.h c:\Qwt-5.2.0\include
Liczba skopiowanych plików: 1.
copy /y c:\qw\qwt-5.2.0\src\qwt_color_map.h c:\Qwt-5.2.0\include
[.................................................. .....]
[.................................................. .....]
mingw32-make[2]: Leaving directory `C:/qw/qwt-5.2.0/designer'
mingw32-make[1]: Leaving directory `C:/qw/qwt-5.2.0/designer'
So it copy files to my Qt folders.
Now i open QtCreator and open one of examples. "data_pot" I run it and ....it works!
But if i open new project and include headers compilator don't see them:/
What i have to do to create new qt files where i can use qwt without any problems?
Please, if anybody now how repair this please reply.