- Visit this page and check your IP.
- Make sure ports 30303 (TCP) and 30304 (UDP) are open.
- Download this and move it into Server folder.
- Launch it.
- Wait a bit.
- Launch the game, click "Play", enter port 30303 and enter IP you've got from step 1.
- Download, install, and launch Hamachi or another LAN emulator.
- Make a hamachi or other LAN emulator net if you want your friends to join.
- Do steps 3-5 of previous guide.
- Launch the game, click "Play", enter port 30303 and enter IP your Lan emulator shows you.