🚀 aria2 + AriaNg on Windows (Service + GUI Setup)

This guide walks you through installing aria2 on Windows, running it as a background service using NSSM, and managing your downloads via the AriaNg web interface.

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📦 Requirements

• Windows 10 or 11
• Admin privileges
• Internet connection

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🔧 Step 1: Install aria2

1. Download aria2
   Go to: https://github.com/aria2/aria2/releases
   Download: aria2-*-win-64bit-build1.zip

2. Extract to a folder
   Example: C:\aria2

3. Create a download directory

   C:\aria2\Downloads
   

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⚙️ Step 2: Configure aria2

1. Create aria2.conf in C:\aria2 with the following content:

   dir=C:/aria2/Downloads
   continue=true
   file-allocation=prealloc
   enable-rpc=true
   rpc-listen-all=true
   rpc-allow-origin-all=true
   rpc-secret=mySecretToken123
   input-file=aria2.session
   save-session=aria2.session
   save-session-interval=30

   Replace mySecretToken123 with a secure password.

2. Create an empty file aria2.session in the same folder:

   C:\aria2\aria2.session
   

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🛠 Step 3: Run aria2 as a Windows Service using NSSM

1. Download NSSM
   From: https://nssm.cc/download
   Extract to: C:\nssm

2. Install aria2 as a service

   Open Command Prompt as Administrator and run:

   C:\nssm\win64\nssm.exe install aria2

   Fill in the GUI:

   • Path: C:\aria2\aria2c.exe
   • Startup directory: C:\aria2
   • Arguments:

     --conf-path=aria2.conf
     

   Click Install Service.

3. Start the service:

   net start aria2

   Or open services.msc, find aria2, right-click → Start.

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🌐 Step 4: Use AriaNg (Graphical Frontend)

Option 1: Use Web Version

• Open: https://ariang.mayswind.net/latest/

Option 2: Run AriaNg Locally

1. Download AriaNg-AllInOne.zip:
   https://github.com/mayswind/AriaNg/releases

2. Extract and open index.html in your browser.

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🔗 Step 5: Connect AriaNg to aria2

In AriaNg settings (gear icon):

• Host: 127.0.0.1
• Port: 6800
• Interface: JSON-RPC
• Secret Token: mySecretToken123

AriaNg will connect and show active downloads and logs if everything is working correctly.

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🔐 Security Tips

• Do not expose port 6800 to the internet without protection.
• Always set a strong rpc-secret in aria2.conf.
• If remote access is needed, use:
  • Cloudflare Tunnel
  • VPN / SSH Tunnel
  • HTTPS reverse proxy (e.g., Nginx + Certbot)

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✅ Service Management Commands

# Start aria2 service
net start aria2

# Stop aria2 service
net stop aria2

# Remove service (optional)
nssm remove aria2 confirm

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🧠 Additional Resources

• aria2 GitHub
• AriaNg GitHub
• NSSM (Service Manager)

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📌 Credits

• aria2 by Tatsuhiro Tsujikawa
• AriaNg by mayswind
• NSSM by Iain Patterson