diff --git a/windows-libzmq/README.md b/windows-libzmq/README.md
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+# msys2 ucrt64 gcc 설치
+
+# go 프로젝트 폴더로 복사
+```
+C:\Users\j\+win\vcpkg\packages\zeromq_x64-windows\bin\libzmq-mt-4_3_5.dll
+```
+
+# server.go
+```go
+package main
+
+/*
+#cgo CFLAGS: -IC:/Users/j/+win/vcpkg/packages/zeromq_x64-windows/include
+#cgo LDFLAGS: -LC:/Users/j/+win/vcpkg/packages/zeromq_x64-windows/lib -lzmq-mt-4_3_5
+#include <zmq.h>
+*/
+import "C"
+import (
+    "fmt"
+    "unsafe"
+)
+func main() {
+	context := C.zmq_ctx_new()
+	defer C.zmq_ctx_term(context)
+
+	socket := C.zmq_socket(context, C.ZMQ_REP)
+	defer C.zmq_close(socket)
+
+	C.zmq_bind(socket, C.CString("tcp://*:5555"))
+
+	for {
+			msg := C.zmq_msg_t{}
+			C.zmq_msg_init(&msg)
+			defer C.zmq_msg_close(&msg)
+
+			C.zmq_msg_recv(&msg, socket, 0)
+			size := C.zmq_msg_size(&msg)
+			data := C.zmq_msg_data(&msg)
+
+			goData := C.GoBytes(data, C.int(size))
+			fmt.Printf("Received: %s\n", string(goData))
+
+			C.zmq_send(socket, unsafe.Pointer(&goData[0]), C.size_t(len(goData)), 0)
+	}
+}
+```
+
+
+# client.py
+```py
+import zmq
+import time
+
+context = zmq.Context()
+
+print("Connecting to server...")
+socket = context.socket(zmq.REQ)
+socket.connect("tcp://localhost:5555")
+
+for request in range(10):
+    print(f"Sending request {request} ...")
+    socket.send(f"Hello {request}".encode())
+
+    #  Get the reply.
+    message = socket.recv()
+    print(f"Received reply {request} [ {message.decode()} ]")
+
+    # Wait for a second before next request
+    time.sleep(1)
+```
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