: While primarily a "keep-awake" utility, it is the gold standard for Mac users who want to override default sleep settings based on app triggers or specific schedules.

Before downloading extra software, you can use the powerful tools already on your machine: Windows 10 & 11

: A lightweight utility available in the Microsoft Store for users who want a simple countdown for music or long downloads. Built-in Alternatives (No Download Required)

: Go to Settings > System > Power & sleep (or Power & battery ) to adjust how quickly your screen turns off or the PC sleeps when idle.

: For advanced automation, search for "Task Scheduler," create a "Basic Task," and set the program to shutdown.exe with arguments like /s /t 3600 (for a 1-hour shutdown timer).