docs: function runInstaller(fileName, cb) {
    const shell = win ? 'powershell.exe' : 'bash';
  
    const filePath = path.resolve(__dirname, fileName);
    console.log(`Now running: ${shell} ${filePath}`);
  
    cp.spawnSync(shell, [filePath], {stdio: 'inherit'});
    typeof cb === 'function' && cb();
  }