更新你的 Pi

（图片来源：Raspberry Pi Foundation）

你入手 Raspberry Pi 已经有一段时间了。一切都很顺利。你写了一些代码，现在你的 Pi 表现非常出色。你想添加一些刚刚在论坛上看到的新功能，或者你看到了一个新的项目后想尝试一下。但问题是，你的 Raspberry Pi 是你当前版本的旧发行版，而且你也不想失去你在上面的所有工作。这样，你可备份自己的工作，下载最新的图像，然后重做一切；或者你可以直接用三个简单的指令来更新 Pi。整个过程需要几分钟时间，在这期间你要做的就是等待更新结束。你可观看本视频中演示的具体操作过程：

How to Update a Raspberry Pi - Another Teaching Moment | DigiKey Electronics

Learn how to update your Raspberry Pi to the latest version of Raspbian.

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