diff --git a/setup.py b/setup.py
index f98f11c..9cf1196 100644
--- a/setup.py
+++ b/setup.py
@@ -1,25 +1,34 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 """Setup script for Dolibarr MCP development environment."""
 
 import os
 import subprocess
 import sys
 import platform
+import io
+
+# Ensure stdout can handle Unicode characters on Windows
+if platform.system() == 'Windows':
+    sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8', errors='replace')
+    sys.stderr = io.TextIOWrapper(sys.stderr.buffer, encoding='utf-8', errors='replace')
 
 def run_command(command, shell=False):
     """Run a command and handle errors."""
     try:
-        result = subprocess.run(command, shell=shell, check=True, capture_output=True, text=True)
-        print(f"✅ {' '.join(command) if isinstance(command, list) else command}")
+        result = subprocess.run(command, shell=shell, check=True, capture_output=True, text=True, encoding='utf-8', errors='replace')
+        command_str = ' '.join(command) if isinstance(command, list) else command
+        print(f"[OK] {command_str}")
         return result.stdout
     except subprocess.CalledProcessError as e:
-        print(f"❌ Command failed: {' '.join(command) if isinstance(command, list) else command}")
+        command_str = ' '.join(command) if isinstance(command, list) else command
+        print(f"[ERROR] Command failed: {command_str}")
         print(f"Error: {e.stderr}")
         return None
 
 def setup_development_environment():
     """Set up the development environment for Dolibarr MCP."""
-    print("🚀 Setting up Dolibarr MCP Development Environment...")
+    print("Setting up Dolibarr MCP Development Environment...")
     
     # Determine platform-specific paths
     if platform.system() == "Windows":
@@ -32,49 +41,49 @@ def setup_development_environment():
         pip_exe = os.path.join(venv_name, "bin", "pip")
     
     # Create virtual environment
-    print(f"📦 Creating virtual environment: {venv_name}")
+    print(f"Creating virtual environment: {venv_name}")
     if run_command([sys.executable, "-m", "venv", venv_name]):
         print(f"Virtual environment created at: {os.path.abspath(venv_name)}")
     
     # Upgrade pip
-    print("⬆️  Upgrading pip...")
+    print("Upgrading pip...")
     run_command([python_exe, "-m", "pip", "install", "--upgrade", "pip"])
     
     # Install requirements
     if os.path.exists("requirements.txt"):
-        print("📋 Installing requirements from requirements.txt...")
+        print("Installing requirements from requirements.txt...")
         run_command([pip_exe, "install", "-r", "requirements.txt"])
     
     # Install package in development mode
-    print("🔧 Installing package in development mode...")
+    print("Installing package in development mode...")
     run_command([pip_exe, "install", "-e", "."])
     
     # Create .env file if it doesn't exist
     if not os.path.exists(".env"):
-        print("📝 Creating .env file from template...")
+        print("Creating .env file from template...")
         if os.path.exists(".env.example"):
             import shutil
             shutil.copy(".env.example", ".env")
-            print("⚠️  Please edit .env file with your Dolibarr credentials")
+            print("Please edit .env file with your Dolibarr credentials")
         else:
-            with open(".env", "w") as f:
+            with open(".env", "w", encoding='utf-8') as f:
                 f.write("# Dolibarr MCP Configuration\n")
                 f.write("DOLIBARR_URL=https://your-dolibarr-instance.com/api/index.php\n")
                 f.write("DOLIBARR_API_KEY=your_api_key_here\n")
                 f.write("LOG_LEVEL=INFO\n")
-            print("⚠️  Please edit .env file with your Dolibarr credentials")
+            print("Please edit .env file with your Dolibarr credentials")
     
-    print("\n✅ Development environment setup complete!")
-    print(f"🐍 Python executable: {os.path.abspath(python_exe)}")
-    print(f"📁 Virtual environment: {os.path.abspath(venv_name)}")
-    print("\n🔧 Next steps:")
+    print("\nDevelopment environment setup complete!")
+    print(f"Python executable: {os.path.abspath(python_exe)}")
+    print(f"Virtual environment: {os.path.abspath(venv_name)}")
+    print("\nNext steps:")
     print("1. Edit .env file with your Dolibarr instance details")
     print("2. Test the connection: python -m dolibarr_mcp.dolibarr_mcp_server")
     print("3. Or run with Docker: docker-compose up")
 
 def test_installation():
     """Test if the installation works."""
-    print("\n🧪 Testing installation...")
+    print("\nTesting installation...")
     
     # Determine platform-specific python path
     if platform.system() == "Windows":
@@ -83,12 +92,12 @@ def test_installation():
         python_exe = os.path.join("venv_dolibarr", "bin", "python")
     
     # Test import
-    test_command = [python_exe, "-c", "from dolibarr_mcp.config import Config; print('✅ Import test passed')"]
+    test_command = [python_exe, "-c", "from dolibarr_mcp.config import Config; print('[OK] Import test passed')"]
     if run_command(test_command):
-        print("✅ Installation test passed!")
+        print("Installation test passed!")
         return True
     else:
-        print("❌ Installation test failed!")
+        print("Installation test failed!")
         return False
 
 if __name__ == "__main__":