What Is Active Hours in Windows Update?

Active Hours is a new update-related feature of the upcoming Anniversary Update for Windows 10 that is already available in the latest Insider Build. The main idea behind the feature is to make operating system updates less annoying by preventing automatic restarts of the system during active hours.

What are active hours?

Active hours are a time range you can set to let your PC know when you’re usually using your device, so it won’t restart automatically during those times.

Does Windows Update during active hours?

Windows will only automatically install updates and restart during the hours of midnight to 6 AM. Note that your active hours must be between 1 and 18 hours. You can’t go above 18 hours. You also can’t set different active hours on different days, so you can’t specify different active hours for weekdays and weekends.