When I build tor-browser, everything runs just fine, but it finishes with: ==> Verifying source file signatures with gpg rokhli-kupit-chelyabinsk.ru FAILED (unknown public key. using latest MX Linux, I installed the Tor Browser Launcher from MX Package Installer. When I ran the launcher program, it downloaded the Tor browser, but it didn't install it. 2- Extract the file and navigate to that directory. 3- Run./rokhli-kupit-chelyabinsk.rup --register-app and you'll be good to go. From the website you download the entire browser so no hassle of installing it or worse, downloading the browser from TOR itself.