有裝windows powershell嗎?https://www.google.com.tw/search?q=windows+powershell%E4%B8%8B%E8%BC%89&sa=X&ved=0ahUKEwiWkajpsIjeAhUCfLwKHauwBAwQ1QIIkwEoBg&biw=1920&bih=938
