Configuation options for updating operating system
Time Required: Changing how Windows updates are downloaded and installed should only take you a few minutes at most.
Note: Microsoft made changes to the location and wording of Windows Update and its settings almost every time a new version of Windows was released. Beginning in Windows 10, Microsoft simplified the options available to you regarding the Windows Update process but also removed some of the finer control you may have enjoyed in earlier versions.
Here are what some of those other checkboxes mean, not all of which you'll see, depending on your version of Windows and how your computer is configured: Give me recommended updates the same way I receive important updates: This option gives Windows Update permission to treat patches that Microsoft "recommends" the same way as patches thought to be "critical" or "important," and download and install them as you've selected in the drop-down box.
Allow all users to install updates on this computer: Check this if you have other, non-administrator accounts on your computer that actually get used. However, even when unchecked, updates installed by an administrator will still get applied to those user accounts, they just won't be able to install them.
Open does not impact security related patches and is not available in Windows 10 Home.
Choose how updates are delivered: These options allow you to enable or disable the downloading, as well as the uploading, of Windows Update related files around your local network or even the entire internet.
Notify to schedule restart: Choose this option to automatically download updates of all kind - security, and non-security.
Note: It is important that you do not shut your computer off or allow it to run out of battery during the update process.
Doing so can cause a corruption of the operating system, which can often only be fixed by reformatting the computer.
Windows Update is more an online service than an integrated part of Windows XP, but the update Here are more details on what those four choices actually mean for your Windows Update experience in Windows XP: Automatic (recommended): Windows Update will automatically check for, download, and install updates, with no input from you needed.
Download updates for me, but let me choose when to install them: Updates will be checked for, and downloaded, from Microsoft's servers, but they won't be installed until you manually approve them.
Letting Windows Update check, download, and automatically install updates is a very good way to make sure you're protected from being exploited by security issues after they're discovered.