diff --git a/src/main/python/firmware_flasher.py b/src/main/python/firmware_flasher.py
new file mode 100644
index 0000000..14c27e3
--- /dev/null
+++ b/src/main/python/firmware_flasher.py
@@ -0,0 +1,25 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+from PyQt5.QtWidgets import QVBoxLayout, QHBoxLayout, QLineEdit, QToolButton, QPlainTextEdit, QProgressBar
+
+from util import tr
+
+
+class FirmwareFlasher(QVBoxLayout):
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        file_selector = QHBoxLayout()
+        file_selector.addWidget(QLineEdit())
+        btn_select_file = QToolButton()
+        btn_select_file.setText(tr("Flasher", "Select file..."))
+        file_selector.addWidget(btn_select_file)
+        self.addLayout(file_selector)
+        self.addWidget(QPlainTextEdit())
+        progress_flash = QHBoxLayout()
+        progress_flash.addWidget(QProgressBar())
+        btn_flash = QToolButton()
+        btn_flash.setText(tr("Flasher", "Flash"))
+        progress_flash.addWidget(btn_flash)
+        self.addLayout(progress_flash)
diff --git a/src/main/python/main_window.py b/src/main/python/main_window.py
index 87354f9..566bcc6 100644
--- a/src/main/python/main_window.py
+++ b/src/main/python/main_window.py
@@ -2,10 +2,11 @@
 
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import QWidget, QComboBox, QToolButton, QHBoxLayout, QVBoxLayout, QMainWindow, QAction, qApp, \
-    QFileDialog, QDialog
+    QFileDialog, QDialog, QTabWidget
 
 import json
 
+from firmware_flasher import FirmwareFlasher
 from keyboard import Keyboard
 from keyboard_container import KeyboardContainer
 from keycodes import recreate_layer_keycodes
@@ -40,10 +41,21 @@ class MainWindow(QMainWindow):
         layout_combobox.addWidget(self.combobox_devices)
         layout_combobox.addWidget(btn_refresh_devices)
 
+        kb_and_codes = QVBoxLayout()
+        kb_and_codes.addWidget(self.keyboard_container)
+        kb_and_codes.addWidget(self.tabbed_keycodes)
+
+        flasher = FirmwareFlasher()
+
+        tabs = QTabWidget()
+        for container, lbl in [(kb_and_codes, "Layout"), (flasher, "Firmware updater")]:
+            w = QWidget()
+            w.setLayout(container)
+            tabs.addTab(w, tr("MainWindow", lbl))
+
         layout = QVBoxLayout()
         layout.addLayout(layout_combobox)
-        layout.addWidget(self.keyboard_container)
-        layout.addWidget(self.tabbed_keycodes)
+        layout.addWidget(tabs)
         w = QWidget()
         w.setLayout(layout)
         self.setCentralWidget(w)