How to Use Tor Private Obfs4 Bridges from Windows

1. Obtain Bridge Line

Obtain the bridge line from the administrator who created the private obfs4 bridge. It will look like the following.

(The backslash appears in the sample bridge line below to indicate that a line break is escaped. The actual bridge line is a single line. Remove any line breaks before you use it.)

Bridge obfs4 095B40360EEE62CD7C5DDA081D1C7AA811513A9E \
cert=s1PecFWx4/ycKB9U/eT4n7jZB68LumMIJdG5RcXPr9zlOxfZqAz4vY0FBv8iam1gYFITeQ \

2. Download Tor Browser Installer

a) Official Site

On your PC, visit Scroll down until you see the Windows logo. Download the Tor Browser installer for Windows. It will have a name such as torbrowser-install-win64-9.0.2_en-US.exe.

Download Tor Browser installer for Windows

b) Mirrors

If you cannot reach the official site, you may be able to download the Tor Browser installer from a mirror.

3. Install Tor Browser

Run the Tor Browser installer.

  1. Select a language, e.g. English. Click OK.
  2. You can leave the install location at the default. Click Install.
  3. When the installation is complete, click Finish.

4. Configure Tor Browser for Windows

If you used the default, Tor Browser is installed to your desktop. When Tor Browser launches for the first time:

Click Configure.

Configure Tor Browser for Windows

On the Tor Network Settings screen:

  1. Check Tor is censored in my country.
  2. Select Provide a bridge I know.
  3. Enter your bridge line obfs4 ... etc ... iat-mode=0. There is no need to enter the word Bridge at the beginning of the line.
  4. Click Connect.
Configure bridge information in Tor Browser for Windows

5. Check Bridge

Once the Tor Browser connects, visit Look for the message:

Congratulations. This browser is configured to use Tor.

In Tor Browser, click the i with a circle around it. Your bridge address shows as the first node in your circuit.

Check Tor Browser for Windows