diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,7 +38,7 @@ find_package(Qwt 6.1 REQUIRED)
 include_directories(${QWT_INCLUDE_DIR})
 
 # wrap UI files
-qt5_wrap_ui(UI_FILES mainwindow.ui)
+qt5_wrap_ui(UI_FILES mainwindow.ui about_dialog.ui)
 
 # Tell CMake to create the helloworld executable
 add_executable(serialplot main.cpp mainwindow.cpp customcheckablebutton.cpp ${UI_FILES})
diff --git a/about_dialog.ui b/about_dialog.ui
new file mode 100644
--- /dev/null
+++ b/about_dialog.ui
@@ -0,0 +1,88 @@
+
+
+ AboutDialog
+ 
+  
+   
+    0
+    0
+    487
+    300
+   
+  
+  
+   About
+  
+  
+   - 
+    
+     
+      <html><head/><body><p align="center"><span style=" font-size:14pt;">SerialPlot</span></p><p align="center"><span style=" font-size:10pt;">v0.1</span></p><p align="center">Developed by Hasan Yavuz Ă–zderya</p><p align="center">Using Qt and Qwt (<a href="http://qwt.sf.net"><span style=" text-decoration: underline; color:#0000ff;">http://qwt.sf.net</span></a>)</p><p align="center"><br/></p><p align="center">This software is GPL licensed. You can obtain source code from <a href="https://bitbucket.org/hyOzd/serialplot"><span style=" text-decoration: underline; color:#0000ff;">https://bitbucket.org/hyOzd/serialplot</span></a>.<br/></p></body></html>
+     
+     
+      true
+     
+     
+      true
+     
+    
+   
 
+   - 
+    
+     
- 
+      
+       
+        About Qt
+       
+      
+     
 
+     - 
+      
+       
+        Qt::Horizontal
+       
+       
+        QDialogButtonBox::Close
+       
+      
+     
 
+    
+    
+  
+ 
+ 
+ 
+  
+   buttonBox
+   accepted()
+   AboutDialog
+   accept()
+   
+    
+     248
+     254
+    
+    
+     157
+     274
+    
+   
+  
+  
+   buttonBox
+   rejected()
+   AboutDialog
+   reject()
+   
+    
+     316
+     260
+    
+    
+     286
+     274
+    
+   
+  
+ 
+
diff --git a/mainwindow.cpp b/mainwindow.cpp
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -20,6 +20,7 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -30,8 +31,15 @@ MainWindow::MainWindow(QWidget *parent) 
     ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
+    setupAboutDialog();
 
     // init UI signals
+
+    // menu signals
+    QObject::connect(ui->actionHelpAbout, &QAction::triggered,
+              &aboutDialog, &QWidget::show);
+
+    // port tab signals
     QObject::connect(ui->pbReloadPorts, &QPushButton::clicked,
                      this, &MainWindow::loadPortList);
 
@@ -168,6 +176,15 @@ MainWindow::~MainWindow()
     delete ui;
 }
 
+void MainWindow::setupAboutDialog()
+{
+    Ui_AboutDialog uiAboutDialog;
+    uiAboutDialog.setupUi(&aboutDialog);
+
+    QObject::connect(uiAboutDialog.pbAboutQt, &QPushButton::clicked,
+                     [](){ QApplication::aboutQt();});
+}
+
 void MainWindow::loadPortList()
 {
     QString currentSelection = ui->cbPortList->currentText();
diff --git a/mainwindow.h b/mainwindow.h
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -28,6 +28,8 @@
 #include 
 #include 
 
+#include "ui_about_dialog.h"
+
 namespace Ui {
 class MainWindow;
 }
@@ -58,6 +60,9 @@ private:
     QButtonGroup stopBitsButtons;
     QButtonGroup flowControlButtons;
 
+    QDialog aboutDialog;
+    void setupAboutDialog();
+
     QSerialPort serialPort;
 
     unsigned int numOfSamples;
diff --git a/serialplot.pro b/serialplot.pro
--- a/serialplot.pro
+++ b/serialplot.pro
@@ -41,6 +41,7 @@ HEADERS  += mainwindow.h \
     utils.h \
     customcheckablebutton.h
 
-FORMS    += mainwindow.ui
+FORMS    += mainwindow.ui \
+    about_dialog.ui
 
 CONFIG += c++11