Help Centre
Setup

Using Colitu on Windows

Install Colitu on Windows 10 and 11, connect, and understand system proxy versus TUN mode.

Colitu for Windows runs on Windows 10 and 11 (64-bit) and connects in one click.

Installation

  1. On colitu.com/download, click Download for Windows.
  2. Run the installer. If Windows SmartScreen warns you, choose More info → Run anyway only if you downloaded the file from colitu.com.
  3. When setup finishes, start Colitu and sign in.

Connecting

  1. Pick a server from Locations, or use Fastest.
  2. Click Connect on the home screen.
  3. Once connected, the icon turns green and the timer starts.

System proxy and TUN mode

  • System proxy

    browsers and apps that respect the Windows proxy setting go through Colitu. Light and fast.

  • TUN mode

    all traffic, including games and programs that make their own connections, goes through the tunnel. It may ask for administrator permission the first time.

If a program still shows your real location while connected, turn on TUN mode. System proxy mode also doesn't cover the Windows DNS resolver, browser UDP traffic (QUIC, WebRTC) or IPv6; TUN mode does.

Category filters

On the Locations screen you can filter servers by purpose: All, Streaming, Gaming, Privacy, Speed, Torrent and AI. The AI and Streaming categories are refreshed from automatic service tests that run on every server.

Troubleshooting

  • Stuck on "Connecting": a firewall or antivirus may be blocking Colitu. Add Colitu to its allow list.
  • Internet drops completely: restart the app; if it continues, turn TUN mode off and try system proxy.
  • Another VPN is installed: two VPNs should not run at the same time. Close the other one.

Anything else: Connection problems.

Open source

The source code of this app is public on GitHub under the GPL-3.0 licence: colitu/windows.

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