How to Find out How Long Your Computer Has Been On?

To find out how long your computer has been on, you can use the following methods:

1. Check the System Event Log:
   • Press the Windows + R keys to open the Run dialog.
   • Type eventvwr.msc and press Enter.
   • In the Event Viewer, go to the “Windows Logs” section and click on “System.”
   • Sort the events by date and look for the “Power-Troubleshooter” event with an ID of 1. The event description will show the time the computer was turned on.
2. Use the Task Manager:
   • Press Ctrl + Alt + Delete to open the Task Manager.
   • Go to the “Performance” tab and look at the uptime under the “CPU” section. This will show you how long the computer has been running since the last restart.
3. Use the Command Prompt:
   • Press the Windows + R keys to open the Run dialog.
   • Type cmd and press Enter to open the Command Prompt.
   • Type systeminfo and press Enter.
   • Scroll down to the “System Boot Time” section. The time shown is the time the computer was last restarted.
4. Use a third-party utility:
   • There are several third-party utilities available that can display the uptime of your computer. One example is the Uptime utility, which can be downloaded from the Microsoft Store.