diff --git a/tools/download_nms.sh b/tools/download_nms.sh
new file mode 100755
index 0000000..87a2bf7
--- /dev/null
+++ b/tools/download_nms.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+FILENAME=nms_1_21_1+3+4+5.tar.zst
+CHECKSUM=0ea6267ce39213ddb0d6a7669d8021283350bb56de0d65f2e9fddd3c85337c5fbd204272b07c7e8532c6eaef46c3a47a39bac183abd6f4cfa7b171e08b4d7029
+
+curl -O https://36ab09b1.m724.eu/$FILENAME
+if [ "$(sha512sum $FILENAME)" = "$CHECKSUM  $FILENAME" ]; then
+  tar -xaf $FILENAME -C "$1"
+  rm $FILENAME
+else
+  echo "Checksum invalid"
+  rm $FILENAME
+  exit 1
+fi