How should you install the software? 你是如何安装这个软件的？

Let me show you. 让我来给你演示一下吧。

What if the computer is infected by a virus? 如果计算机感染病毒了怎么办？

What if the computer is infected by a virus? 如果计算机感染病毒了怎么办？

You should run a virus detection program to find the virus and destroy it. 你可以启动杀毒程序从而找到病毒并摧毁它。