Launch Tor Browser without Tor Network

Steps

1. Goto the tor browser installed directory and run ./firefox -p to start firefox profile manager
2. Create a new profile named unsafe
3. Use ./firefox -P unsafe to launch tor browser with unsafe profile.
4. Goto about:config and set the following options

   user_pref("extensions.torlauncher.start_tor", false);
   user_pref("network.dns.disabled", false);
   user_pref("network.proxy.type", 0);
   

References

1. https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/40160
2. https://forums.whonix.org/t/tor-browser-10-without-tor/10313/6