diff --git a/mswin32/Makefile b/mswin32/Makefile
new file mode 100644
index 000000000..50d758130
--- /dev/null
+++ b/mswin32/Makefile
@@ -0,0 +1,13 @@
+MAKENSIS=/c/apps/NSIS/makensis.exe
+NMAP_VERSION:=$(shell grep "export NMAP_VERSION " ../Makefile.in | cut "-d " -f4)
+
+winbuild:
+	$(MAKENSIS) winpcap/winpcap-nmap.nsi
+	rm -rf nmap-$(NMAP_VERSION)
+	mkdir nmap-$(NMAP_VERSION)
+	cd Release && cp ../../CHANGELOG ../../COPYING nmap-mac-prefixes nmap-os-fingerprints nmap-protocols nmap-rpc nmap-service-probes nmap-services nmap.exe nmap.xsl ../nmap_performance.reg ../../README-WIN32 ../nmap-$(NMAP_VERSION)/
+	zip -r nmap-$(NMAP_VERSION)-win32.zip nmap-$(NMAP_VERSION)
+	cp winpcap/winpcap-nmap-*.exe nmap-$(NMAP_VERSION)
+	cp nsis/AddToPath.nsh nsis/Nmap.nsi nmap-$(NMAP_VERSION)
+	$(MAKENSIS) nmap-$(NMAP_VERSION)/Nmap.nsi
+	mv nmap-$(NMAP_VERSION)/NmapInstaller.exe nmap-$(NMAP_VERSION)-setup.exe