Tor Browser 12.0.4, released on March 18, 2023, remains a notable version in the project's history as it marked an important stability point for users on the Firefox 102.9.0esr base. While the Tor Project strongly advises users to stay on the most current stable release to ensure maximum protection, certain technical environments or research needs may lead users to seek out this specific older build. Key Features of Tor Browser 12.0.4
Check Bridges: If the browser won't connect, it might be a network block rather than a software version issue. Try using a "Snowflake" bridge. To help you get the best performance, could you tell me: What version of Windows are you currently running? Tor Browser 12.0.4 Older Versions for Windows
If you decide to stick with an older version for a while, keep in mind that you might miss out on important security updates. It's recommended to update to the latest version as soon as possible to protect yourself from known vulnerabilities. Tor Browser 12
Using an older version like 12.0.4 in a production environment is discouraged due to significant security risks: Tor Projecthttps://support.torproject.org Tor Browser best practices - Security Try using a "Snowflake" bridge
Are you using Tor for general browsing or to bypass strict censorship?
The latest Tor Browser (version 13.x or 14.x as of 2025) requires Windows 10 or higher. If you are running an old netbook, a forensic offline workstation, or a legacy virtual machine stuck on Windows 7, Tor Browser 12.0.4 is the last stable version that will launch without DLL errors or kernel panics.
Despite being an "older version," 12.0.4 represented a mature point in the Tor Browser lifecycle, free from the early bugs of the 13.0 series but newer than the deprecated 11.x line.