http://77q2gqbqwqmdd4fqng6hywqhhb2qaf7mmeovkuh4yvccyypttsivgnqd.onion/posts/tor-openvpn.html
But they are still effective in many countries, e.g. Iran. Launch Tor Browser for the first time. Click Configure . Select Tor is censored in my country . Choose Select a built-in bridge . From the dropdown list, select obfs4 .