() a piece of software that helps you to put another larger piece of software onto your computer 安装程序◆I downloaded the software and ran the installer. 我下载了这个软件，然後运行安装程序。
a person or company that fixes equipment or furniture in position so that it can be used 安装者◆an installer of security systems 安全系统的安装员◆phone installers 电话安装员