Windows service packs and other updates improve the stability and sometimes the functionality of Windows. Make sure you have the latest updates installed so that Windows and the software you run on Windows work properly and are protected from malicious attacks.
Should I Install Windows Service Packs? – Ask a Tech #34
You can see which service pack or important update you have installed in most versions of Windows through the Control Panel. However, the specific way you view this information depends on the operating system you have.
Start by determining your version of Windows so that you know what steps to follow, along with the steps below. If you are running Windows 11, Windows 10, or Windows 8, you will notice that you do not have a service pack installed. This is because with these versions of Windows, Microsoft continually releases updates in smaller chunks instead of infrequent, large packages as was the case with previous versions.
Basic information about Windows can be found in the System section of Settings (W11) or Control Panel (W10), but the specific version number of Windows can be found in Settings:
