diff --git a/install.py b/install.py
new file mode 100644
index 0000000..e99284f
--- /dev/null
+++ b/install.py
@@ -0,0 +1,336 @@
+#!/usr/bin/env python3
+"""
+project: Backuppy
+version: 1.02.000
+file: install.py
+summary: main entry python file
+"""
+
+# Standard library imports
+import os
+
+# Third party imports
+from PySide2 import QtCore
+from PySide2 import QtGui
+from PySide2 import QtCore, QtWidgets
+
+# local imports
+from languages import english
+from languages import german
+
+# local globals
+VERSION: str = "1.02.000"
+EMAIL: str = "fotocoder@joschu.ch"
+TARGET_SCRIPT: str = "Backuppy.sh"
+EXCLUDE_FILE: str = "exclude.txt"
+LANG_EN: str = "English"
+LANG_DE: str = "German"
+LANGUAGE: str = LANG_EN
+MYDIR: str = os.environ.get("mydir")
+if not MYDIR:
+    MYDIR = os.getcwd()
+SOURCEDIR: str = None
+EXCLUDE: bool = True
+TARGETDIR: str = None
+RSYNC_CMD: str = None
+
+def get_lang_text(search_str: str):
+    """ Returns a string from the appropriate language file. """
+    return_str: str = eval("english."  + search_str) 
+    global LANGUAGE
+    if LANGUAGE == LANG_DE:
+        return_str = eval("german."  + search_str)
+    return return_str
+
+def trace(message_txt: str):
+    """ Print a formatted message to std out. """
+    print(f"[  OK  ]", message_txt)
+
+class BackuppyWizard(QtWidgets.QWizard):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        self.addPage(Page01(self))
+        self.addPage(Page02(self))
+        self.addPage(Page03(self))
+        self.addPage(Page04(self))
+        self.addPage(Page05(self))
+        self.addPage(Page06(self))
+        self.addPage(Page07(self))
+        self.addPage(Page08(self))
+        self.addPage(Page09(self))
+        self.addPage(Page10(self))
+        
+        self.setWindowTitle(english.intromsg1)
+        self.resize(640, 480)
+
+class Page01(QtWidgets.QWizardPage):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.label = QtWidgets.QLabel("Hello, first of all, which language do you prefer: English or German?")
+        # self.comboBox = QIComboBox(self)
+        self.comboBox = QtWidgets.QComboBox(self)
+        self.comboBox.addItem(LANG_EN, LANG_EN)
+        self.comboBox.addItem(LANG_DE, LANG_DE)
+
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.label)
+        layout.addWidget(self.comboBox)
+        self.setLayout(layout)
+
+    def validatePage(self):
+        global LANGUAGE
+        if self.comboBox.currentText() == LANG_DE:
+            LANGUAGE = LANG_DE
+        else:
+            LANGUAGE = LANG_EN
+        return True
+
+
+class Page02(QtWidgets.QWizardPage):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.label1 = QtWidgets.QLabel()
+        self.label2 = QtWidgets.QLabel()
+
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.label1)
+        layout.addWidget(self.label2)
+        self.setLayout(layout)
+
+    def initializePage(self):
+        self.label1.setText(get_lang_text("languagepack"))
+        self.label2.setText(get_lang_text("intromsg2"))
+
+
+class Page03(QtWidgets.QWizardPage):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.label = QtWidgets.QLabel()
+        self.groupbox = QtWidgets.QGroupBox()
+        self.groupbox.setFlat(True)
+        self.radio1 = QtWidgets.QRadioButton()
+        self.radio2 = QtWidgets.QRadioButton()
+
+        vbox = QtWidgets.QVBoxLayout()
+        vbox.addWidget(self.radio1)
+        vbox.addWidget(self.radio2)    
+        vbox.addStretch(1)
+        self.groupbox.setLayout(vbox)
+
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.label)
+        layout.addWidget(self.groupbox)
+        self.setLayout(layout)
+
+    def initializePage(self):
+        self.label.setText(get_lang_text("excludefile1"))
+        self.radio1.setText(get_lang_text("Yes"))
+        self.radio2.setText(get_lang_text("No"))
+        self.radio1.setChecked(True)
+
+    def validatePage(self):
+        global EXCLUDE
+        if self.radio1.isChecked():
+            EXCLUDE = True
+        else:
+            EXCLUDE = False
+        return True
+
+class Page04(QtWidgets.QWizardPage):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.label = QtWidgets.QLabel()
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.label)
+        self.setLayout(layout)
+
+    def initializePage(self):
+        global EXCLUDE
+        if EXCLUDE:
+            self.label.setText(get_lang_text("excludefile2"))
+        else:
+            self.label.setText(get_lang_text("excludefile3"))
+
+class Page05(QtWidgets.QWizardPage):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.label1 = QtWidgets.QLabel()
+        self.label2 = QtWidgets.QLabel()
+        self.edit = QtWidgets.QLineEdit()
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.label1)
+        layout.addWidget(self.label2)
+        layout.addWidget(self.edit)
+        self.setLayout(layout)
+
+    def initializePage(self):
+        self.label1.setText(get_lang_text("srcdir1"))
+        self.label2.setText(get_lang_text("srcdir2"))
+
+    def validatePage(self):
+        global SOURCEDIR
+        SOURCEDIR = self.edit.text()
+
+        return True
+
+
+class Page06(QtWidgets.QWizardPage):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.label1 = QtWidgets.QLabel()
+        self.label2 = QtWidgets.QLabel()
+        self.label3 = QtWidgets.QLabel()
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.label1)
+        layout.addWidget(self.label2)
+        layout.addWidget(self.label3)
+        self.setLayout(layout)
+
+    def initializePage(self):
+        self.label1.setText(get_lang_text("srcdir3_1"))        
+        bold_text = f"<p><strong>{SOURCEDIR}</strong></p>" 
+        self.label2.setText(bold_text)
+        self.label3.setText(get_lang_text("srcdir3_2"))
+
+
+class Page07(QtWidgets.QWizardPage):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.label1 = QtWidgets.QLabel()
+        self.edit = QtWidgets.QLineEdit()
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.label1)
+        layout.addWidget(self.edit)
+        self.setLayout(layout)
+
+    def initializePage(self):
+        self.label1.setText(get_lang_text("targetdir1"))
+
+    def validatePage(self):
+        global TARGETDIR
+        TARGETDIR = self.edit.text()
+
+        return True
+
+
+class Page08(QtWidgets.QWizardPage):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.label1 = QtWidgets.QLabel()
+        self.label2 = QtWidgets.QLabel()
+        self.label3 = QtWidgets.QLabel()
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.label1)
+        layout.addWidget(self.label2)
+        layout.addWidget(self.label3)
+        self.setLayout(layout)
+
+    def initializePage(self):
+        self.label1.setText(get_lang_text("targetdir2_1"))
+        bold_text = f"<p><strong>{TARGETDIR}</strong></p>" 
+        self.label2.setText(bold_text)
+        self.label3.setText(get_lang_text("targetdir2_2"))
+
+    def validatePage(self):
+        global RSYNC_CMD, MYDIR, SOURCEDIR, TARGETDIR
+        RSYNC_CMD = f"rsync -aqp --exclude-from={MYDIR}/exclude.txt {SOURCEDIR} {TARGETDIR}"
+
+        return True
+
+
+class Page09(QtWidgets.QWizardPage):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.label1 = QtWidgets.QLabel()
+        self.label2 = QtWidgets.QLabel()
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.label1)
+        layout.addWidget(self.label2)
+        self.setLayout(layout)
+
+    def initializePage(self):
+        self.label1.setText(get_lang_text("collect"))
+        global RSYNC_CMD
+        #self.label2.setText(f"{RSYNC_CMD}")
+        bold_text = f"<p><strong>{RSYNC_CMD}</strong></p>" 
+        self.label2.setText(bold_text)
+
+
+class Page10(QtWidgets.QWizardPage):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.label1 = QtWidgets.QLabel()
+        self.label2 = QtWidgets.QLabel()
+        self.label3 = QtWidgets.QLabel()
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.label1)
+        layout.addWidget(self.label2)
+        layout.addWidget(self.label3)
+        self.setLayout(layout)
+        self.setFinalPage(True)
+
+    def initializePage(self):
+        self.label1.setText(get_lang_text("outro1"))
+        self.label2.setText(get_lang_text("outro2"))
+        urlLink = f"<a href='mailto: {EMAIL}'>{EMAIL}</a>" 
+        self.label3.setText(urlLink)
+        self.label3.setOpenExternalLinks(True)
+
+    def validatePage(self):
+        # create shell script with rsync command
+        create_shell_script(RSYNC_CMD)
+
+        return True
+
+
+def create_shell_script(command_str: str):
+    rc_filepath: str = None
+
+    global MYDIR, EXCLUDE, TARGET_SCRIPT
+
+    TARGET_SCRIPT = os.path.join(MYDIR, TARGET_SCRIPT)
+    ALIAS_STR = f"alias backuppy='sudo {TARGET_SCRIPT}'"
+    current_shell = os.environ.get("SHELL")
+    user_home = os.environ.get("HOME")
+
+    ## STEP 1: update shell config scripts with alias for backuppy
+    # .zshrc case1 and case2
+    if current_shell in ("/usr/bin/zsh", "/bin/zsh"):
+        # Appending to bash config file
+        rc_filepath = os.path.join(user_home, ".zshrc")
+
+    # .bashrc case1 and case2
+    elif current_shell in ("/usr/bin/bash", "/bin/bash"):
+        # Appending to zsh config file
+        rc_filepath = os.path.join(user_home, ".bashrc")
+
+    if os.path.isfile(rc_filepath):
+        with open(rc_filepath, 'a') as file1:
+            trace(f"Writing {ALIAS_STR} to config file '{rc_filepath}'.")
+            file1.write("\n# Following line was created by Backuppy\n" + ALIAS_STR + "\n")
+
+    ## STEP 2: Create the exclude script if desired
+    if EXCLUDE:
+        global EXCLUDE_FILE
+        EXCLUDE_FILE = os.path.join(MYDIR, EXCLUDE_FILE)
+        with open(EXCLUDE_FILE, "w") as file2:
+            trace(f"creating exclude-file '{EXCLUDE_FILE}'.")
+            file2.writelines("\n")
+
+    ## STEP 3: enter the rsync command in Backuppy.sh
+    with open(TARGET_SCRIPT, "w") as file3:
+        trace(f"Writing rsync-command to file '{TARGET_SCRIPT}':\n         {command_str}")
+        file3.writelines("#!/bin/bash" + "\n")
+        file3.writelines(command_str + "\n")
+
+
+if __name__ == '__main__':
+    trace(f"Starting Backuppy install.py v{VERSION}")
+    app = QtWidgets.QApplication()
+    wizard = BackuppyWizard()
+    wizard.show()
+
+    app.exec_()
+
+    trace("Ending Backuppy install.py")