diff --git a/liberation_theme.json b/liberation_theme.json
new file mode 100644
index 00000000..7fa657ab
--- /dev/null
+++ b/liberation_theme.json
@@ -0,0 +1 @@
+{"theme_index": 1}
\ No newline at end of file
diff --git a/qt_ui/main.py b/qt_ui/main.py
index 6bbf6b81..09b33d59 100644
--- a/qt_ui/main.py
+++ b/qt_ui/main.py
@@ -1,6 +1,8 @@
 from userdata import logging_config
 
 # Logging setup
+from userdata.liberation_theme import get_theme_file
+
 VERSION_STRING = "2.0RC7"
 logging_config.init_logging(VERSION_STRING)
 
@@ -18,18 +20,17 @@ from qt_ui.windows.GameUpdateSignal import GameUpdateSignal
 from qt_ui.windows.QLiberationWindow import QLiberationWindow
 from qt_ui.windows.preferences.QLiberationFirstStartWindow import QLiberationFirstStartWindow
 from userdata import liberation_install, persistency
+from userdata import liberation_theme, persistency
 
 if __name__ == "__main__":
 
     app = QApplication(sys.argv)
 
+    liberation_theme.init();
     css = ""
-    with open("./resources/stylesheets/style-dcs.css") as stylesheet:
+    with open("./resources/stylesheets/"+get_theme_file()) as stylesheet:
         app.setStyleSheet(stylesheet.read())
 
-
-
-
     # Inject custom payload in pydcs framework
     custom_payloads = os.path.join(os.path.dirname(os.path.realpath(__file__)), "..\\resources\\customized_payloads")
     if os.path.exists(custom_payloads):
diff --git a/qt_ui/uiconstants.py b/qt_ui/uiconstants.py
index be107c02..33fbbb71 100644
--- a/qt_ui/uiconstants.py
+++ b/qt_ui/uiconstants.py
@@ -19,6 +19,24 @@ URLS : Dict[str, str] = {
 LABELS_OPTIONS = ["Full", "Abbreviated", "Dot Only", "Off"]
 SKILL_OPTIONS = ["Average", "Good", "High", "Excellent"]
 
+# new themes can be added here
+THEMES: Dict[int, Dict[str, str]] = {
+    0: {'themeName': 'Windows',
+        'themeFile': 'windows-style.css',
+        'themeIcons': 'medium',
+        },
+
+    1: {'themeName': 'DCS World',
+        'themeFile': 'style-dcs.css',
+        'themeIcons': 'light',
+        },
+
+    2: {'themeName': 'Blue',
+        'themeFile': 'style.css',
+        'themeIcons': 'dark',
+        },
+}
+
 COLORS: Dict[str, QColor] = {
     "dark_red": QColor(140, 20, 20),
     "red": QColor(200, 80, 80),
diff --git a/qt_ui/windows/preferences/QLiberationPreferences.py b/qt_ui/windows/preferences/QLiberationPreferences.py
index eba000fe..755c0d18 100644
--- a/qt_ui/windows/preferences/QLiberationPreferences.py
+++ b/qt_ui/windows/preferences/QLiberationPreferences.py
@@ -1,11 +1,16 @@
 import os
 
 from PySide2 import QtWidgets
+from PySide2.QtCore import QFile
 from PySide2.QtGui import Qt
 from PySide2.QtWidgets import QFrame, QLineEdit, QGridLayout, QVBoxLayout, QLabel, QPushButton, \
-    QFileDialog, QMessageBox, QDialog
+    QFileDialog, QMessageBox, QDialog, QComboBox, QApplication
+import qt_ui.uiconstants as CONST
+import sys
 
-from userdata import liberation_install
+import userdata
+from userdata import liberation_install, liberation_theme
+from userdata.liberation_theme import get_theme_file, set_theme_name, get_theme_index, set_theme_index
 
 
 class QLiberationPreferences(QFrame):
@@ -28,9 +33,14 @@ class QLiberationPreferences(QFrame):
         self.browse_saved_game.clicked.connect(self.on_browse_saved_games)
         self.browse_install_dir = QPushButton("Browse...")
         self.browse_install_dir.clicked.connect(self.on_browse_installation_dir)
+        self.themeSelect = QComboBox()
+
+        for x, y in CONST.THEMES.items():
+            self.themeSelect.addItem(y['themeName'])
 
         self.initUi()
 
+
     def initUi(self):
         main_layout = QVBoxLayout()
         layout = QGridLayout()
@@ -40,6 +50,9 @@ class QLiberationPreferences(QFrame):
         layout.addWidget(QLabel("<strong>DCS installation directory:</strong>"), 2, 0, alignment=Qt.AlignLeft)
         layout.addWidget(self.edit_dcs_install_dir, 3, 0, alignment=Qt.AlignRight)
         layout.addWidget(self.browse_install_dir, 3, 1, alignment=Qt.AlignRight)
+        layout.addWidget(QLabel("<strong>Theme (Requires Restart)</strong>"), 4, 0)
+        layout.addWidget(self.themeSelect, 4, 1, alignment=Qt.AlignRight)
+        self.themeSelect.setCurrentIndex(get_theme_index())
 
         main_layout.addLayout(layout)
         main_layout.addStretch()
@@ -63,6 +76,7 @@ class QLiberationPreferences(QFrame):
         print("Applying changes")
         self.saved_game_dir = self.edit_saved_game_dir.text()
         self.dcs_install_dir = self.edit_dcs_install_dir.text()
+        set_theme_index(self.themeSelect.currentIndex())
 
         if not os.path.isdir(self.saved_game_dir):
             error_dialog = QMessageBox.critical(self, "Wrong DCS Saved Games directory.",
@@ -87,6 +101,7 @@ class QLiberationPreferences(QFrame):
 
         liberation_install.setup(self.saved_game_dir, self.dcs_install_dir)
         liberation_install.save_config()
+        liberation_theme.set_theme_file()
         return True
 
 
diff --git a/resources/stylesheets/style-dcs.css b/resources/stylesheets/style-dcs.css
index d5c5be60..6a2ea53c 100644
--- a/resources/stylesheets/style-dcs.css
+++ b/resources/stylesheets/style-dcs.css
@@ -40,6 +40,9 @@ QMenuBar::item:pressed {
     background: #1D2731;
 }
 
+QLabel{
+font-weight:bold;
+}
 
 
 /*QWidget*/
diff --git a/resources/stylesheets/windows-style.css b/resources/stylesheets/windows-style.css
new file mode 100644
index 00000000..cbf5010f
--- /dev/null
+++ b/resources/stylesheets/windows-style.css
@@ -0,0 +1,3 @@
+/*
+windows basis styles
+*/
diff --git a/userdata/liberation_theme.py b/userdata/liberation_theme.py
new file mode 100644
index 00000000..3bbfc317
--- /dev/null
+++ b/userdata/liberation_theme.py
@@ -0,0 +1,89 @@
+import json
+import os
+from shutil import copyfile
+
+import dcs
+import qt_ui.uiconstants as CONST
+from userdata import persistency
+
+global __theme_index
+global __theme_name
+global __theme_file
+global __theme_icons
+
+THEME_PREFERENCES_FILE_PATH = "liberation_theme.json"
+
+DEFAULT_THEME_INDEX = 0
+
+
+def init():
+    global __theme_index
+
+    __theme_index = DEFAULT_THEME_INDEX
+    print("init setting theme index to " + str(__theme_index))
+
+    if os.path.isfile(THEME_PREFERENCES_FILE_PATH):
+        try:
+            with(open(THEME_PREFERENCES_FILE_PATH)) as prefs:
+                pref_data = json.loads(prefs.read())
+                __theme_index = pref_data["theme_index"]
+                print(__theme_index)
+                set_theme_index(__theme_index)
+                set_theme_file()
+                print("file setting theme index to " + str(__theme_index))
+        except:
+            set_theme_index(DEFAULT_THEME_INDEX)
+            print("except setting theme index to " + str(__theme_index))
+    else:
+        set_theme_index(DEFAULT_THEME_INDEX)
+        print("else setting theme index to " + str(__theme_index))
+
+
+def set_theme_index(x):
+    global __theme_index
+    __theme_index = x
+
+
+def get_theme_index():
+    global __theme_index
+    return __theme_index
+
+
+# get or set current theme index number
+def set_theme_name(x):
+    global __theme_name
+    __theme_name = str(x)
+
+
+def get_theme_name():
+    global __theme_name
+    return __theme_name
+
+
+# get or set current theme icons based on the theme name
+def set_theme_icons():
+    global __theme_icons
+    __theme_icons = CONST.THEMES[get_theme_name()]["themeIcons"]
+
+
+def get_theme_icons():
+    global __theme_icons
+    return str(__theme_icons)
+
+
+# get or set theme from json file
+def set_theme_file():
+    theme_file = CONST.THEMES[get_theme_index()]['themeFile']
+    global __theme_file
+    __theme_file = theme_file
+
+    pref_data = {
+        "theme_index": get_theme_index()
+    }
+    with(open(THEME_PREFERENCES_FILE_PATH, "w")) as prefs:
+        prefs.write(json.dumps(pref_data))
+
+
+def get_theme_file():
+    global __theme_file
+    return str(__theme_file)