diff --git a/Tupfile b/Tupfile
index bfc4fc2..e69de29 100644
--- a/Tupfile
+++ b/Tupfile
@@ -1 +0,0 @@
-: |> license -out hackmii |> LICENSE
diff --git a/src/productkey.nim b/src/productkey.nim
new file mode 100644
index 0000000..82da359
--- /dev/null
+++ b/src/productkey.nim
@@ -0,0 +1,18 @@
+import os, posix, streams, strutils
+
+const fileName = "/sys/firmware/acpi/tables/MSDM"
+
+if getuid() != 0:
+  quit "run me as root"
+
+if not fileName.existsFile:
+  quit "System has no product key"
+
+var
+  fin = fileName.newFileStream fmRead
+
+discard fin.readAll
+
+let keyData = fin.readAll
+
+echo keyData