diff --git a/windows/create_image.sh b/windows/create_image.sh
new file mode 100755
index 0000000..b52685a
--- /dev/null
+++ b/windows/create_image.sh
@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+OUTPUT_ISO="windows-auto.iso"
+ISO_PATH="${ISO_PATH:-fedora.iso}"
+CUSTOM_DATA_DIR="windows/custom_data"
+
+while getopts "hi:o" arg; do
+    case "${arg}" in
+        h)
+            echo "This script builds a custom automatic install Windows ISO."
+            echo "The ISO must be downloaded manually due to a download verification system at Microsoft's site."
+            echo "Help:"
+            echo "    -h            shows help"
+            echo "    -i path       path to the Windows ISO file"
+            echo "    -o file_name  output ISO filename"
+            exit 0
+            ;;
+        i)
+            if ! [ -f "$OPTARG" ]; then
+                echo "Image does not exist: $OPTARG"
+                exit 1
+            else
+                ISO_PATH=$OPTARG
+            fi
+            ;;
+        o)
+            OUTPUT_ISO=$OPTARG
+            ;;
+        *)
+            echo "Unrecognized argument. Unetwork in windows on qemuse -h to get help"
+            exit 3
+            ;;
+    esac
+done
+
+tmp=$(mktemp -d)
+tmp2="$OUTPUT_ISO"_tmp
+rm -rf $tmp2
+mkdir $tmp2
+
+# Copying all Windows files
+cp -f "$ISO_PATH" "$OUTPUT_ISO"
+sudo mount -o loop "$ISO_PATH" "$tmp"
+cp -r "$tmp"/* "$tmp2/"
+
+sudo umount "$tmp"
+rm -rf "$tmp"
+
+# Copy custom autounattend.xml
+cp windows/autounattend.xml "$tmp2/autounattend.xml"
+
+# Copy custom scripts etc accessible after installation
+desktop="$tmp2"'/$OEM$/$1/Users/Public/Desktop'
+mkdir -p $desktop
+for f in $CUSTOM_DATA_DIR/*; do
+    name=$(basename -- $f)
+    cp $f "$desktop/$name"
+done
+
+# Rebuild iso
+xorriso -as mkisofs \
+  -iso-level 3 -U -J -l \
+  -b boot/etfsboot.com \
+  -c boot/boot.cat \
+  -no-emul-boot -boot-load-size 8 -boot-info-table \
+  -eltorito-alt-boot \
+  -e efi/microsoft/boot/efisys.bin -no-emul-boot \
+  -o "$OUTPUT_ISO" \
+  -joliet-long \
+  "$tmp2"
+
+# cleanup
+echo "Removing temporary files..."
+rm -rf "$tmp2"
+echo "Done. Image file saved as: $OUTPUT_ISO"
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