diff --git a/optional/desktop/MAME64.lnk b/optional/desktop/MAME64.lnk
new file mode 100644
index 0000000..8442c3f
Binary files /dev/null and b/optional/desktop/MAME64.lnk differ
diff --git a/optional/unpack-mame.cmd b/optional/unpack-mame.cmd
new file mode 100644
index 0000000..8a4d35f
--- /dev/null
+++ b/optional/unpack-mame.cmd
@@ -0,0 +1,39 @@
+
+@echo off
+
+set T=c:\TEMP
+set TOOLS=c:\tools
+set ZIP=..\software\mame64.7z
+set TARGET=c:\MAME
+
+if NOT EXIST %ZIP% (
+  echo ERROR: %ZIP% not found!
+  exit /b
+)
+
+echo ####### %0 #######
+
+echo killing MAME64 processes...
+taskkill /F /IM hakchi.exe 2>nul
+
+rem create directory ...
+mkdir %TARGET% 2>nul
+
+echo unpacking MAME64 ...
+%TOOLS%\7z x -y -aoa -o%T%\mame %ZIP%
+
+echo moving files ...
+move /Y %T%\mame\mame64.exe %TARGET%
+move /Y %T%\mame\mame64.sym %TARGET%
+mkdir %TARGET%\roms 2>nul
+rd /S /Q %T%\mame
+echo.
+
+echo copy desktop link ...
+copy /Y desktop\MAME64.lnk "%PUBLIC%\Desktop"
+
+rem refresh desktop (W10 style)
+ie4uinit.exe -show
+
+echo ####### %0 #######
+pause