If not, you can download and install it.

如果没有，你可以下载并安装它。

youdao

If not, download and install it.

如果没有，可以下载并安装它。

youdao

Make sure you install it.

一定要安装它。

youdao

When the gentleman brought it and install it in my bedroom here, they gave me one simple sheet to tell me how to turn it on, how to get into the program, and then program really explain itself, really invites you to explore the pieces of it, by itself, I mean.

当他们把电脑带来,安装在我的房间里，给了一个简单的小册子,告诉我如何打开电脑，如何运行这个程序，然后程序就自动开始解释了，它让你去探索每个部分，自动的，我是说。

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You can install other software on it, you don't have to use the Apple Store, you can use third party stores.

你可以在上面安装其他的软件,你不需要使用苹果原装软件，可以使用第三方的软件。

哈佛公开课 - 计算机科学课程节选

He disguised the program as something else, and tried to get friends to install it.

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Once you buy an app, you can install it on up to five devices at once.

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And you managed to install it with six people in only four days without raising tuition.

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