http://mponpsecu5qaqu4s7chzbldsp6hu45pwecvr72m26xbf6lo3slqo6tad.onion/docs/INSTALL.html
After verifying the settings in the ACP, you can delete the install directory to enable the board. The board will stay disabled until you do so. Once you are pleased with your new installation, you may want to give it the name of your old installation, changing the directory name.