Open the preference files or create a policies.json file in a folder named distribution next to the main executable to explicitly block updates.
Downloading older software from third-party websites is highly dangerous, as these files are frequently bundled with malware or spyware. If you must download Tor Browser 12.0.4, use official archival channels and verification protocols. 1. Use the Official Tor Project Archive
Never use external mirror links. Open your existing browser and navigate directly to the official Tor Project Package Archive .
Whether this is for or a specific research/testing project ?
The primary risk of running version 12.0.4 today is exposure to exploits discovered after its release date. Modern malware can target unpatched flaws in the rendering engine to compromise your local system. Fingerprinting Vulnerabilities Tor Browser 12.0.4 Older Versions for Windows
. While the Tor Project continuously rolls out upgrades to guard against modern security threats, specific enterprise, legacy, and forensic workflows require deployment of the explicit 12.0.4 package.
To help find the exact file you need, what are you targeting, and what is your primary goal for deploying this specific legacy version? Share public link
[Current Date] Category: Privacy, Cybersecurity, Legacy Software
To help you decide whether to hunt down the older version, here is a technical comparison for Windows: Open the preference files or create a policies
Works on Windows 7, 8.1, 10, 11 (but 12.0.4 predates some Win11 updates).
Using outdated onion routers introduces severe operational risks. The Tor Project works on a model of continuous disclosure and rapid patching. When you step back to an older version like 12.0.4, you bypass critical defenses:
Typically, support for older versions is limited or non-existent, which means users are on their own if they encounter issues.
Website says "SSL_ERROR_UNSUPPORTED_VERSION." Solution: Older browsers don't support TLS 1.3 cipher suites used by some CDNs (Cloudflare). Go to about:config and toggle security.tls.version.max from 4 to 3 (forces TLS 1.2). Whether this is for or a specific research/testing project
Using an uncommon version makes your browser traffic stand out, making it easier for trackers to identify you.
| Feature | 12.0.4 (Legacy) | 13.0+ (Modern) | 14.0+ (Current) | | :--- | :--- | :--- | :--- | | | ✅ Yes | ❌ No | ❌ No | | Windows 11 Support | ⚠️ Buggy | ✅ Yes | ✅ Yes | | Firefox Base | 102 ESR | 115 ESR | 128 ESR (or higher) | | AV1 Video Decoding | Software only | Hardware accelerated | Optimized | | Security Patches | None (EOL) | Full | Full | | Darknet Market Support | Some old forums | All modern sites | All modern sites |
To ensure the file was not tampered with during download or mirrored maliciously, always verify its cryptographic signature.
Download it directly from the Tor Project website.