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The Tor Browser Bundle lets you use Tor on Windows without requiring you to configure a Web browser. Even better, it's also a portable application that can be run from a USB flash drive, allowing you to carry it to any Windows PC without installing it on each computer's hard drive.

Downloading Tor Browser Bundle

You can download the Tor Browser Bundle from the torproject.org Web site, either as a single file (13MB) or a "split" version that is multiple files of 1.4 MB each. If your Internet connection is slow and unreliable, the split version may work better than trying to download one very large file.

If the torproject.org Web site is filtered from where you are, type "tor mirrors" in your favorite Web search engine: The results probably include some alternative addresses to download the Tor Browser Bundle.

Caution: When you download Tor Bundle (plain or split versions), you should check the signatures of the files, especially if you are downloading the files from a mirror site. This step ensures that the files have not been tampered with. To learn more about signature files and how to check them, read https://wiki.torproject.org/noreply/TheOnionRouter/VerifyingSignatures  

(You can also download the GnuPG software that you will need to check the signature here: http://www.gnupg.org/download/index.en.html#auto-ref-2 ) 

The instructions below refer to installing Tor Browser on Microsoft Windows. If you are using a different operating system, refer to the torproject.org website for download links and instructions.

 Installing from a single file

1. In your Web browser, enter the download URL for Tor Browser:
   https://www.torproject.org/torbrowser/
   
2. Click the link for your language to download the installation file.
   
3. Double-click the .EXE file you just downloaded. A "7-Zip self-extracting archive" window appears.
   
4. Choose a folder into which you want to extract the files and click "Extract".

   Note: You can choose to extract the files directly onto a USB key or memory stick if you want to use Tor Browser on different computers (for instance on public computers in Internet cafés).

5. When the extraction is completed, open the folder and check that the contents match the image below:
   
6. To clean up, delete the .EXE file you originally downloaded.

 Installing from split files

1. In your Web browser, enter the URL for the split version of the Tor Browser Bundle  (https://www.torproject.org/torbrowser/split.html), then click the link for your language to get to a page that looks like the one for English below:
   
   
2. Click each file to download it (one ending in ".exe" and nine others ending in ".rar"), one after the other, and save them all in one folder on your hard drive.
3. Double-click the first part (the file whose name ends in ".exe"). This runs a program to gather all the parts together.
4. Choose a folder where you want to install the files, and click "Install". The program displays messages about its progress while it's running, and then quits.
5. When the extraction is completed, open the folder and check that the contents match the image below:
   
6. To clean up, delete all the files you originally downloaded.

Using Tor Browser

Before you start:

• Close Firefox. If Firefox is installed on your computer, make sure it is not currently running.  

• Close Tor. If Tor is already installed on your computer, make sure it is not currently running.

Launch Tor Browser:

• In the "Tor Browser" folder, double-click "Start Tor Browser". The Tor control panel ("Vidalia") opens and Tor starts to connect to the Tor network.

When a connection is established, Firefox automatically connects to the TorCheck page and then confirms if you are connected to the Tor network. This may take some time, depending on the quality of your Internet connection.

If you are connected to the Tor network, a green onion icon appears in the System Tray on the lower-right-hand corner of your screen:

Browsing the Web using Tor Browser

Try viewing a few Web sites, and see whether they display. The sites are likely to load more slowly than usual because your connection is being routed through several relays.

If this does not work

If the onion in the Vidalia Control Panel never turns green or if Firefox opened, but displayed a page saying "Sorry. You are not using Tor", as in the image below, then you are not using Tor.

If you see this message, close Firefox and Tor Browser and then repeat the steps above. You can perform this check to ensure that you are using tor, at any time by clicking the bookmark button labelled "TorCheck at Xenobite..." in the Firefox toolbar.

If Firefox browser does not launch, another instance of the browser may be interfering with Tor Browser. To fix this:

1. Open the Windows Task Manager. How you do this depends on how your computer is set up. On most systems, you can right-click in the Task Bar and then click "Task Manager".
2. Click the "Processes" tab.
3. Look for a process in the list named "firefox.exe".
   
4. If you find one, select the entry and click "End Process".
   
5. Repeat the steps above to launch Tor Browser.
   

Alternatives

There are two other projects that bundle Tor and a browser:

• XeroBank, a bundle of Tor with Firefox (http://xerobank.com/xB_Browser.php)
• OperaTor, a bundle of Tor with Opera (http://archetwist.com/en/opera/operator)