1. Set up or put in place (equipment, software, or a person in a position)
We installed a new air conditioning system in the office.
Instalamos um novo sistema de ar condicionado no escritório.
2. Place or establish (someone) in a position or rank
The president was installed in office last month.
O presidente foi instalado no cargo no mês passado.
3. Set up (a computer program or application) on a device
I installed the latest software update on my phone.
Instalei a última atualização de software no meu telefone.