The only tutorial supported here is this one. https://forum.magicmirror.builders/topic/236/complete-setup-tutorial Your node is not up to date for MM. Node should be somewhere in the area of v6.11.x and npm 3.10.10. This error: “Error(‘Electron failed to install correctly, please delete node_modules/electron and try installing again’)” is telling you to delete the electron folder. Then you would run npm install again in the MagicMirror directory. Then you would run npm start in the MagicMirror directory.