Follow these steps to get up and running with Mineshafter:

  1. Log In
  2. Pick a username and password
  3. Set a custom skin if you want one
  4. Set a custom cloak if you want one
  5. Download the launcher
  6. Start the launcher
  7. Login with any username you want. Password doesn't matter. Username must match the one you picked on the site for skins to work.