It's hard to answer questions and whatnot and you don't necessarily have access to the same tools unless you yourself go through the process of configuring your machine manually by following many long sequences of steps.

所以很难说会出现什么情况,你们不能,用同一台机器，除非你们自己按照一系列,冗长的步骤手工配置,你们自己的电脑。

哈佛公开课 - 计算机科学课程节选

and you can go through that by yourself. It doesn't really matter that much.

然后你自己过一遍。关系没那么大。

开放式的课程？ - SpeakingMax英语口语达人