install
The Italian word 'installare' is used in the same way as the English word 'install'. It refers to the process of setting up or configuring a software, application, or hardware on a device or system. The word can also be used in a broader sense to mean 'set up' or 'put in place', such as installing a new appliance in a kitchen.
You need to install this app on your phone.
In this sentence, 'installare' is used as a verb in the instruction to put a new software application ('app') onto the phone ('telefono'). 'Devi' is the second person singular form of 'dovere' (must).
Can I install the software on my computer?
This second phrase uses 'installare' to ask for permission to add new software to a 'computer'. 'Posso' is the first person singular form of 'potere', a verb used to ask for permission or to express ability.
They are working to install the air conditioning at home.
This phrase uses 'installare' to describe the action of setting up an air conditioning system ('aria condizionata') in a home ('casa'). 'Lavorano' is the third person plural of 'lavorare', indicating that more than one person is performing the action.