This is the 2007th most frequent Russian word.
установила
"Installed" or "established" (feminine, past tense).
Here, 'установила' is used to mean 'set up' or 'establish' in relation to configuring something (a password in this context).
Она установила пароль на компьютер.
She set a password on the computer.
In this case, 'установила' is used to represent 'established' or 'decided upon' with regard to determining policies or plans.
Комиссия установила расписание заседаний.
The commission established the schedule of the meetings.
Here, 'установила' means 'installed' in the context of placing or setting up physical objects.