diff --git a/Makefile b/Makefile
index 142f471..311f416 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY : help clean veryclean prune docker push rmi build update work docker-debian11 debian11 docker-mint20 mint20 docker-mint21 mint21 docker-ubuntu20 ubuntu20 docker-ubuntu21 ubuntu21 docker-ubuntu22 ubuntu22 docker-fedora34 fedora34 docker-fedora35 fedora35 docker-fedora36 fedora36 docker-macos-x86_64 macos-x86_64 docker-macos-aarch64 macos-aarch64 docker-tumbleweed tumbleweed tarball docker-dind
+.PHONY : help clean veryclean prune docker push rmi build update work docker-debian11 debian11 docker-mint20 mint20 docker-mint21 mint21 docker-ubuntu20 ubuntu20 docker-ubuntu21 ubuntu21 docker-ubuntu22 ubuntu22 docker-fedora34 fedora34 docker-fedora35 fedora35 docker-fedora36 fedora36 docker-macos-x86_64 macos-x86_64 docker-macos-aarch64 macos-aarch64 docker-tumbleweed tumbleweed tarball docker-dind docker-win64 win64
 
 version:=$(shell cat version)
 release:=$(shell cat release)
@@ -19,6 +19,7 @@ help :
 	@echo "  [docker-macos-x86_64], [docker-macos-aarch64]"
 	@echo "  [docker-tumbleweed]"
 	@echo "  [docker-dind]"
+	@echo "  [docker-win64]"
 	@echo ""
 	@echo "build targets:" 
 	@echo "  [debian11], [mint20], [mint21], [ubuntu20], [ubuntu21]"
@@ -26,6 +27,7 @@ help :
 	@echo "  [fedora34], [fedora35], [fedora36]"
 	@echo "  [macos-x64_64], [macos-aarch64]"
 	@echo "  [tumbleweed]"
+	@echo "  [win64]"
 	@echo "  [tarball]"
 	@echo ""
 
@@ -216,6 +218,11 @@ docker-macos-aarch64 :
 macos-aarch64 :
 	${MAKE} -f assets/macos.mk arch=aarch64 build
 
+## win64
+docker-win64 :
+	${MAKE} -f assets/windows.mk docker
+win64 :
+	${MAKE} -f assets/windows.mk build
 
 #
 # Docker in Docker (for GitLab CI)
diff --git a/assets/windows.mk b/assets/windows.mk
new file mode 100644
index 0000000..f78ac6a
--- /dev/null
+++ b/assets/windows.mk
@@ -0,0 +1,6 @@
+.PHONY : docker build
+
+docker :
+
+build :
+