This is the 2757th most frequent Chinese word.
可於
"可於" means "can be at" or "can be applied to."
In this sentence, '可於' conveys the possibility of executing an action ('enable') within a certain context ('settings').
此功能可於设置中启用。
This feature can be enabled in the settings.
Here, '可於' indicates an allowable action ('reset') in a specified location ('login screen').
用户可於登录界面重置密码。
The user can reset the password on the login screen.
In this instance, '可於' signifies the potentiality of changing something ('time') within a given period ('next week').