install  
verb [ T ] uk/ɪnˈstɔːl/ us/ɪnˈstɑːl/
  (READY TO USE)         
 B1 安装
to put furniture, a machine, or a piece of equipment into position and make it ready to use
  The plumber is coming tomorrow to install the new washing machine. 水管工明天来安装新的洗衣机。 
 B1 computing specialized把…安装到计算机上 
to put a computer program onto a computer so that the computer can use it
  Andrew, can you help me install this software? 安德鲁,你能帮我安装这个软件吗? 
 - More examples
 - We will install your washing machine free of charge/for free.
 - They gave us a long spiel about why we needed to install double glazing in our house.
 - It would cause a tremendous upheaval to install a different computer system.
 - Local residents are asking for speed humps to be installed in their street.
 - When we installed the central heating, we put a radiator in every room.
 
  (GIVE JOB)      
  正式任命,使正式就职
to put someone in an important job or position
  She has installed a couple of young academics as her advisers. 她任用几名年轻的大学教师作为顾问。 
   (PLACE)     
install someone/yourself in/at somewhere UK 将(某人)/自己安顿在某处
to put someone/yourself in a comfortable position where you want to stay
  He seems to have installed himself in your spare room for good! 看起来他要在你那间闲置的卧室里永远安顿下来了! 
 I was attracted by the idea of installing myself in a remote French village.
 A woman in a red coat installed herself in the seat next to Donna.
 The two scientists installed themselves in an underground laboratory.
 We installed ourselves on the hotel terrace and ordered drinks.