diff --git a/po/LINGUAS b/po/LINGUAS
index e69de29..c42e816 100644
--- a/po/LINGUAS
+++ b/po/LINGUAS
@@ -0,0 +1 @@
+de
\ No newline at end of file
diff --git a/po/POTFILES b/po/POTFILES
index 4f03540..d5a0c89 100644
--- a/po/POTFILES
+++ b/po/POTFILES
@@ -1,4 +1,4 @@
 data/de.johrpan.musicus.desktop.in
 data/de.johrpan.musicus.appdata.xml.in
 data/de.johrpan.musicus.gschema.xml
-src/window.ui
+src/window.blp
diff --git a/po/de.po b/po/de.po
new file mode 100644
index 0000000..46e4cbc
--- /dev/null
+++ b/po/de.po
@@ -0,0 +1,39 @@
+# German translations for PACKAGE package
+# German translation for PACKAGE.
+# Copyright (C) 2023 THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+#  <elias@johrpan.de>, 2023.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-06-28 14:50+0200\n"
+"PO-Revision-Date: 2023-06-28 14:58+0200\n"
+"Last-Translator:  <elias@johrpan.de>\n"
+"Language-Team: German <translation-team-de@lists.sourceforge.net>\n"
+"Language: de\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: data/de.johrpan.musicus.desktop.in:3
+msgid "musicus"
+msgstr ""
+
+#: data/de.johrpan.musicus.appdata.xml.in:7
+msgid "No description"
+msgstr ""
+
+#: src/window.blp:20
+msgid "Hello, World!"
+msgstr "Hallo, Welt!"
+
+#: src/window.blp:29
+msgid "_Preferences"
+msgstr "_Einstellungen"
+
+#: src/window.blp:33
+msgid "_About Musicus"
+msgstr "_Über Musicus"
diff --git a/po/template.pot b/po/template.pot
new file mode 100644
index 0000000..036a2ee
--- /dev/null
+++ b/po/template.pot
@@ -0,0 +1,38 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-06-28 14:50+0200\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=CHARSET\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: data/de.johrpan.musicus.desktop.in:3
+msgid "musicus"
+msgstr ""
+
+#: data/de.johrpan.musicus.appdata.xml.in:7
+msgid "No description"
+msgstr ""
+
+#: src/window.blp:20
+msgid "Hello, World!"
+msgstr ""
+
+#: src/window.blp:29
+msgid "_Preferences"
+msgstr ""
+
+#: src/window.blp:33
+msgid "_About Musicus"
+msgstr ""
diff --git a/src/window.blp b/src/window.blp
index 7c7a9f2..97bd416 100644
--- a/src/window.blp
+++ b/src/window.blp
@@ -17,7 +17,7 @@ template $MusicusWindow : Adw.ApplicationWindow {
     }
 
     Label label {
-      label: "Hello, World!";
+      label: _("Hello, World!");
       vexpand: true;
       styles ["title-1"]
     }
@@ -26,11 +26,11 @@ template $MusicusWindow : Adw.ApplicationWindow {
 
 menu primary_menu {
   item {
-    label: "_Preferences";
+    label: _("_Preferences");
     action: "app.preferences";
   }
   item {
-    label: "_About Musicus";
+    label: _("_About Musicus");
     action: "app.about";
   }
 }
\ No newline at end of file