在安装一台电脑时，如果需要用英文表达“安装”，可以说 "install" 或 "installing"。以下是一些可能的句子：
"I need to install a new graphics card in this computer."
"How do I install the operating system on this computer?"
"I'm in the process of installing the software."
"Please guide me through the installation of the drivers."
根据上下文，你可以选择合适的表达方式。
