To set your Windows 10 sleep timer, you'll change your Windows sleep settings. In the Search box, search for sleep, and select Power & sleep settings from the results.

Thankfully, Windows 11 provides a few methods for setting a timer to shut down your PC, whether it's a one-time thing or you want to do it regularly.

Learn how to use the Pomodoro timer in Windows 11/10 the Clock app. Use Focus sessions to start using the Pomodoro technique.