Thursday, 23 October 2025

Windows 10 Operating System _ VNC Server for Windows 10 Desktop _HOWTO


Copilot , could you please teach me how to install or configure a VNC Server on my Windows 10 Desktop ? THANKS Copilot.


MICROSOFT  Copilot  Answer

You're very welcome! 😊 Setting up a VNC server on your Windows 10 desktop is a great way to enable remote access. Here's a step-by-step guide using RealVNC, one of the most popular and secure VNC solutions:


🧰 Step 1: Download and Install RealVNC Server

  1. Go to the RealVNC website and download VNC Server for Windows.
  2. Run the installer and follow the prompts.
  3. During installation, choose "Install VNC Server only" if you don’t need the viewer on that machine.

🔐 Step 2: Set Up Authentication

  1. After installation, open VNC Server from the Start menu.
  2. Sign in with a RealVNC account (create one if needed).
  3. Go to Options > Security:
    • Set Authentication to “VNC password”.
    • Click Set Password and choose a strong password.

🌐 Step 3: Configure Network Access

  • By default, VNC uses port 5900.
  • If you're accessing the Windows PC from outside its local network:
    • Set up port forwarding on the router to forward port 5900 to the Windows machine.
    • Consider using Dynamic DNS (DDNS) if the IP address changes often.

🛡️ Step 4: Allow VNC Through Windows Firewall

  1. Open Windows Defender Firewall.
  2. Click Allow an app or feature through Windows Defender Firewall.
  3. Ensure VNC Server is allowed for both Private and Public networks.

🖥️ Step 5: Connect from Your Remote Device

From your Debian laptop or any other device:

  • Use a VNC viewer (like vncviewer, Remmina, or RealVNC Viewer).
  • Connect using:
    <Windows_IP>:5900
    
  • Enter the password you set earlier.

🧠 Bonus Tip: Use RealVNC Cloud Service

If you don’t want to deal with port forwarding, RealVNC offers a cloud connection feature that works even behind NAT or firewalls — just sign in on both devices.


Let me know if you’d prefer to use UltraVNC or TightVNC instead — I can guide you through those setups too!


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