工具/原料<br>电脑<br>方法/步骤<br>1、首先打开一个文件夹,在文件夹内,点击这个视频。<br><img src="https://iknow-pic.cdn.bcebos.com/14ce36d3d539b600b284ff0ae750352ac75cb7c1?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg" max-height="200"><br>2、在文件界面的右上角,点击“预览窗格”按钮。<br><img src="https://iknow-pic.cdn.bcebos.com/060828381f30e924f03f6c8c42086e061c95f7f0?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg" max-height="200"><br>3、点击后,右边弹出预览的窗口。<br><img src="https://iknow-pic.cdn.bcebos.com/6a600c338744ebf862da9482d7f9d72a6159a7e0?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg" max-height="200"><br>4、当再次打开文件夹时,不点击选中任何文件,即可显示要预览的文件。<br><img src="https://iknow-pic.cdn.bcebos.com/c9fcc3cec3fdfc036b3b1305da3f8794a5c226c8?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg" max-height="200">