This is the 3040th most frequent Russian word.
запустил
"Запустил" means "launched" or "started."
In this sentence, "запустил" is used to mean 'launched,' referring to setting something in motion, specifically throwing or propelling an object into the air.
Он запустил игрушечный самолет в воздух.
He launched a toy airplane into the air.
Here, "запустила" is used to indicate 'started' or 'initiated,' describing the action of beginning a software application.
Она запустила новую программу на компьютере.
She started a new program on the computer.
In this usage, "запустили" means 'initiated' or 'launched,' describing the beginning of a planned activity or initiative.