There isn't a specific automated way to create a PowerPoint stopwatch or countdown timer in PowerPoint, so it isn't straightforward. However, you can display a number on a PowerPoint slide and set ...

Perhaps you want to create a countdown timer in your Flash movie that provides a countdown of days, hours, minutes and seconds to your user.

If you want to add a simple timer, countdown timer, stopwatch, or clock to your videos, you can use Clipchamp, Shotcut, VideoPad, etc.

You can create a Windows Sleep timer shutdown in your Windows 11/10 PC using the Command Prompt or by creating a Desktop shortcut.