On Windows, open Settings
Click System
Click Power & battery or Battery
Look for Battery usage to see screen-on time
Open Task Manager to check app usage time
Use Activity History or Family Safety for detailed usage reports
On Mac, open System Settings
Click Screen Time
Review app and device usage
Use Activity Monitor for current app activity
Check Digital Wellbeing tools if available on your laptop
Install a third-party screen time tracker if your laptop has no built-in option