电脑从 window 10 升级到了 window 11 后，发现系统 c 盘剩余空间小了很多，于是查看了一番，发现了一个占用空间超大的 window.old， 这个文件夹是旧系统文件，如果不准备回退到以. Ryan tedder 歌手：onerepublic lately i've been，i've been losing sleep 最近我辗转反侧 dreaming 'bout the things that we could be 梦想.
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