Check the time when you last rebooted the computer

So do you remember the exact date or time when you last switched on the computer ? Here’s a simple DOS command to help you out:


C:\>systeminfo | find /i “boot time”

This will show the time when you last rebooted the computer



Subtract that from the current date-time to know for how long you have been running the computer.


Run  
C:\>systeminfo | find /i “install date” 
to know the date when your installed Windows on the PC.


Alternative, you could start Windows Task Manager (Alt+Ctrl+Del), switch to the Performance tab and you should see a field that says “Up Time” – that’s even more convenient but some computers have Task managers disabled.

type
C:\>systeminfo | find /i “system up time”
and got


System Up Time