By default, important and recommended updates are automatically installed if you choose the option to install updates automatically. On the screen to "Choose how updates get installed," you can uncheck the check box for Recommended updates, which means only important updates would get installed automatically.However, I advise you to keep that check box checked as you typically want the recommended updates installed automatically.Before we move to the next step, it's time to explain the different categories of updates.Microsoft divides its updates into three flavors: Important, Recommended, and Optional.
In this article, I'll explain and go through the update process in Windows 8.1 to make sure you're set up properly.
You can now scroll to the top of the screen and click on the Install button if you wish to install all of the updates now.
Okay, but what if you're in the middle of work and don't want to be interrupted with a string of updates?
From the Windows Update screen, you can trigger or set several options.
In Windows 8.1, you can still go through Control Panel to get to the Windows Update feature.