Well show you both graphical and command-line methods to do that.

This utility shows you how long your gear is running within a nice and easy-to-understand interface.

To use this method,launch Task Manager on your PC.

Laptop on the Windows 11 settings screen coming out of a toggle button.

When Task Manager opens, if youre on Windows 11, select “Performance” in the left sidebar.

In the “Performance” tab, youll find a section saying “Up Time.”

This section tells you the time duration your rig has been operating for.

The Razer Blade 16 2025 gaming laptop sitting open on a desk.

This is the amount of time that has passed since youturned on your setup.

First,open a PowerShell window on your PC.

These values refer to how long youve been using your machine.

Task Manager showing CPU, Memory, Disk, and Wi-Fi Performance

Jason Fitzpatrick / How-To Geek

This is the amount of time that has elapsed since you booted your gear.

When youve finished viewing the uptime information, you might close your PowerShell window.

And thats how you know how long it has been since your system was turned on.

Select “Task Manager” in the menu.

Very handy in some cases!

Open the “Performance” tab.

View Windows uptime in Task Manager.

Select PowerShell.

Find Windows uptime using PowerShell.