diff --git a/README.md b/README.md
index 4b6464ef..ab41d783 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ Table of contents
     * [Ubuntu Linux 16.04 LTS](#ubuntu-linux-1604-lts)
     * [Windows 10](#windows-10)
     * [Raspberry Pi 2 and 3](#raspberry-pi-2-and-3)
+  * [Limitations](#limitations)
 
 Usage
 =====
@@ -109,43 +110,8 @@ This sections shows how to compile welle.io with GUI_3 on Windows 10. Windows 7
 
 1. Install QT 5.7 including the QT Charts and mingw modules by using the the "Qt Online Installer for Windows" https://www.qt.io/download-open-source/
 2. Clone welle.io https://github.com/AlbrechtL/welle.io.git e.g. by using [TortoiseGit](https://tortoisegit.org).
-3. Clone the welle.io Windows libraries https://github.com/AlbrechtL/dab-rpi_win_libs.git.
+3. Clone the welle.io Windows libraries https://github.com/AlbrechtL/welle.io-win-libs.git.
 4. Start QT Creator and open the project file "welle.io.pro" inside the folder "welle.io".
-5. Edit "welle.io.pro" and adapt it to your needs. This example is tested with the following settings:
-
-  ```
-win32 {
-DESTDIR	= ../windows-bin-dab
-# includes in mingw differ from the includes in fedora linux
-#INCLUDEPATH += /usr/i686-w64-mingw32/sys-root/mingw/include
-INCLUDEPATH += ../dab-rpi_win_libs/include
-LIBS		+= -L/usr/i686-w64-mingw32/sys-root/mingw/lib
-LIBS		+= -L../dab-rpi_win_libs/x86
-LIBS		+= -lfftw3f-3
-LIBS		+= -lportaudio_x86
-LIBS		+= -llibsndfile-1
-LIBS		+= -lole32
-LIBS		+= -lwinpthread
-LIBS		+= -lwinmm
-LIBS 		+= -lstdc++
-LIBS		+= -lws2_32
-LIBS		+= -llibfaad
-LIBS		+= -lusb-1.0
-LIBS		+= -llibsamplerate
-LIBS		+= -lzlib
-CONFIG		+= NO_SSE_SUPPORT 
-#CONFIG		+= extio
-#CONFIG		+= airspy
-#CONFIG		+= airspy-exp
-CONFIG		+= rtl_tcp
-CONFIG		+= dabstick
-#CONFIG		+= sdrplay
-#CONFIG		+= tcp-streamer
-#CONFIG		+= rtp-streamer
-CONFIG		+= gui_3
-}
-  ```
-
 6. Build welle.io
 7. Run welle.io and enjoy it
 
@@ -153,4 +119,8 @@ Raspberry Pi 2 and 3
 ---
 To build and run dap-rpi with GUI_3 on a Raspberry Pi 2 and 3 with GPU acceleration, please visit this repository: https://github.com/AlbrechtL/dab-rpi_raspbian_image
 
-
+Limitation
+===
+* CMake is not tested
+* DAB is not tested (only DAB+ is tested)
+* sdrplay and airspy SDR devices are not tested 
diff --git a/welle.io.pro b/welle.io.pro
index 7e946b99..8e6c6142 100644
--- a/welle.io.pro
+++ b/welle.io.pro
@@ -8,12 +8,12 @@ TEMPLATE	= app
 TARGET		= welle.io
 QT		+= widgets network
 CONFIG		+= console
-QMAKE_CFLAGS	+=  -flto -ffast-math
-QMAKE_CXXFLAGS	+=  -flto -ffast-math
-QMAKE_LFLAGS	+=  -flto
-#QMAKE_CFLAGS	+=  -g
-#QMAKE_CXXFLAGS	+=  -g
-#QMAKE_LFLAGS	+=  -g
+Relase: QMAKE_CFLAGS	+=  -flto -ffast-math -O3
+Relase: QMAKE_CXXFLAGS	+=  -flto -ffast-math -O3
+Relase: QMAKE_LFLAGS	+=  -flto -O3
+#Debug: QMAKE_CFLAGS	+=  -g
+#Debug: QMAKE_CXXFLAGS	+=  -g
+#Debug: QMAKE_LFLAGS	+=  -g
 DEPENDPATH += . \
 	      ./src \
 	      ./includes \
@@ -181,29 +181,27 @@ LIBS		+= -lfaad
 #
 # an attempt to have it run under W32
 win32 {
-DESTDIR	= ../../windows-bin
-# includes in mingw differ from the includes in fedora linux
-INCLUDEPATH += /usr/i686-w64-mingw32/sys-root/mingw/include
-LIBS		+= -L/usr/i686-w64-mingw32/sys-root/mingw/lib
-LIBS		+= -lfftw3f
-LIBS		+= -lportaudio
-LIBS		+= -lsndfile
-LIBS		+= -lsamplerate
+INCLUDEPATH += ../welle.io-win-libs/include
+LIBS		+= -L../welle.io-win-libs/x86
+LIBS		+= -lfftw3f-3
+LIBS		+= -lportaudio_x86
+LIBS		+= -llibsndfile-1
 LIBS		+= -lole32
 LIBS		+= -lwinpthread
 LIBS		+= -lwinmm
 LIBS 		+= -lstdc++
 LIBS		+= -lws2_32
-LIBS		+= -lfaad
+LIBS		+= -llibfaad
 LIBS		+= -lusb-1.0
-LIBS		+= -lz
+LIBS		+= -llibsamplerate
+LIBS		+= -lzlib
 CONFIG		+= extio
 CONFIG		+= airspy
 CONFIG		+= rtl_tcp
 CONFIG		+= dabstick
 CONFIG		+= sdrplay-exp
 #CONFIG		+= tcp-streamer
-CONFIG		+= gui_1
+CONFIG		+= gui_3
 }
 
 #######################################
@@ -235,7 +233,7 @@ gui_2	{
 
 
 gui_3	{
-        TARGET		= dab-rpi-touch
+        TARGET		= welle-io
         DEFINES		+= GUI_3
         QT		+= qml quick charts
         INCLUDEPATH	+= ./gui_3