diff --git a/OnDemandUpdatePTU.pro b/OnDemandUpdatePTU.pro
index e253043..99830e5 100644
--- a/OnDemandUpdatePTU.pro
+++ b/OnDemandUpdatePTU.pro
@@ -1,10 +1,20 @@
-# QT -= gui
-QT += core
+QT += core gui
 QT += widgets serialport network
-# QT += network
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
 TARGET = ATBUpdateTool
 
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 VERSION=1.0.0
 
 INCLUDEPATH += plugins
@@ -67,6 +77,8 @@ contains( CONFIG, DesktopLinux ) {
 
 SOURCES += \
         main.cpp \
+        mainwindow.cpp \
+        utils.cpp \
         update.cpp \
         git/git_client.cpp \
         apism/apism_client.cpp \
@@ -79,6 +91,8 @@ SOURCES += \
 
 HEADERS += \
         update.h \
+        utils.h \
+        mainwindow.h \
         git/git_client.h \
         apism/apism_client.h \
         apism/apism_tcp_client.h \
@@ -90,6 +104,9 @@ HEADERS += \
         worker_thread.h \
         plugins/interfaces.h
 
+FORMS += \
+    mainwindow.ui
+
 OTHER_FILES += \
     /opt/app/tools/atbupdate/update_log.csv \
     main.cpp.bck \
@@ -100,3 +117,8 @@ OTHER_FILES += \
 # git subtree add --prefix DCPlugin https://git.mimbach49.de/GerhardHoffmann/DCPlugin.git master --squash
 # git subtree pull --prefix DCPlugin https://git.mimbach49.de/GerhardHoffmann/DCPlugin.git master --squash
 # include(./DCPlugin/DCPlugin.pri)
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target