This is the 758th most frequent Russian word.
установили
"Installed" or "established."
In this context, 'установили' refers to the action of installing software or an application onto a computer system. It is used literally.
Мы установили новую программу на компьютер.
We installed a new program on the computer.
Here, 'установили' describes the physical action of setting or fixing parts into their designated places, indicating manual or mechanical installation.
Они установили детали для ремонта машины.
They installed parts for repairing the car.
In this usage, 'установили' takes a figurative meaning, representing the process of identification or discovery of facts through investigation or research.