diff --git a/92_Ultramarin_eRechnung_Viewer/install_ultramarinviewer.cmd b/92_Ultramarin_eRechnung_Viewer/install_ultramarinviewer.cmd
new file mode 100644
index 0000000..ac5d27a
--- /dev/null
+++ b/92_Ultramarin_eRechnung_Viewer/install_ultramarinviewer.cmd
@@ -0,0 +1,10 @@
+@echo off
+
+set VERSION=%1
+set DOWNLOADFILE="%TEMP%\Ultramarinviewer.msi"
+
+:: download Ultramarinviewer
+"%SYSTEMROOT%\System32\bitsadmin.exe" /transfer /download https://www.ultramarinviewer.de/assets/Ultramarinviewer-%VERSION%.msi %DOWNLOADFILE% >NUL
+
+:: install Ultramarinviewer
+msiexec.exe /i %DOWNLOADFILE% /quiet /norestart