Hello commander, The TTW Team is happy to tell you that we released a testing version for The Third Tiberium War Beta 2, you can try it and play with everyone online. You don't need to be a tester to play, you just need to download the TTW Beta 2 - Testing 3 client from here, after you download, extract it anywhere (don't extract over another game, this is standalone release), after you extracted it, run ttw.exe from the extracted directory, your now running the control center, on settings button you can set your resolution and other settings now press on Check Updates from main page. You will receive some updates, now your ready to play TTW online, use Online play to join a server.
This is obsolete. Next Beta 3 will be coming soon.