This is the 17876th most frequent Russian word.
установил
"Installed" or "established."
In this sentence, 'установил' refers to the action of installing software or setting up a program on a computer.
Он установил программу на компьютер.
He installed the software on the computer.
Here, 'установил' is used to mean 'established,' referring to creating or confirming a mental or logical relationship.
Мастер установил ясную связь между повреждением и неисправностью.
The technician established a clear connection between the damage and the malfunction.
In this context, 'установил' is used to mean 'set' or 'implemented,' indicating the creation and enactment of policies or regulations.