http://ciisqbg45nggykdl6rjdrq3wc64csga4vkphu66qsi65mypeitqedoad.onion/blog/obfs4
When you're done with that, just click the Back button to go to the main window, then connect to whichever server you want to connect to. All of your traffic will now be obfuscated by obfs4 For OpenVPN GUI users The obfs4win.zip file from above contains the socksauth.txt file that's needed to connect, so make note of the file's full path.