Give me updates for other Microsoft products when I update Windows: Check this option, which is a bit wordier in Windows 7 & Vista, if you own other Microsoft software and you want Windows Update to handle updating those as well.
Show me detailed notifications when new Microsoft software is available: This is pretty self-explanatory - check it if you want to get notifications, via Windows Update, when Microsoft software you don't have installed is available for your computer.
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.
Yes, at least in Windows 8, 7, and Vista, you could compromise by making that critical "install" part up to you, but that's just one more thing you have to remember to do.
screen is for: Give me updates for other Microsoft products when I update Windows: This is pretty self-explanatory.easy depends on how Windows Update is configured to download and apply updates.When you first turned on your new computer or were finishing your Windows operating system install, you told Windows Update how you wanted it to act - a little more automatic or a little more manual.Here's a bit more on all of those options you have: Install updates automatically (recommended): Choose this option to have Windows Update automatically check for, download, and install important security patches.Download updates but let me choose whether to install them: Choose this to have Windows Update automatically check for and download important updates but install them.Below are for changing/disabling Windows Update in Windows 10, Windows 8, Windows 7 or Windows Vista, and Windows XP. Here are more details on all the "advanced" Windows Update settings that are available to you in Windows 10: Automatic (recommended): Choose this option to automatically download and install updates of all kind - both important security patches as well as not-as-important non-security updates, like feature improvements and minor bugs.Notify to schedule restart: Choose this option to automatically download updates of all kind - security, and non-security.If your original decision isn't working out, or you need to change how it works to avoid repeating an auto-update issue, like what happens on some Patch Tuesdays, you can simply adjust how Windows receives and installs updates.Depending on your version of Windows, this could mean downloading but not installing the updates, notifying you but not downloading them, or even disabling Windows Update completely.You'll have to explicitly choose to install the updates either from Windows Update or during the next shutdown process.Check for updates but let me choose whether to download and install them: With this option, Windows Update will check for and notify you of available updates but you'll need to manually approve the download and installation of them.