The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

I mean, I did INSTALL a camera
The Big Bang Theory Season 12, Episode 12

and I did spy on her, but I did
not INSTALL it tospy on her.
The Big Bang Theory Season 12, Episode 12

Install a bladder and a pair of shorts
so he can wet himself.
The Big Bang Theory Season 2, Episode 12

to INSTALL a piece of
equipment that he designed.
The Big Bang Theory Season 12, Episode 5

I helped her INSTALL it.
The Big Bang Theory Season 12, Episode 12