Being aware of what service pack your version of Windows is running at is important because you need to know that you have the latest service pack installed that's available.
Service packs improve the stability, and sometimes the functionality, of Windows. Making sure you have the latest service pack installed ensures that Windows, and the software you run on Windows, is working to its fullest.
The specific way you go about accessing the area in Control Panel where you can view the service pack you have installed depends on which operating system you have:
- How To Find What Windows 7 Service Pack is Installed
- How To Find What Windows Vista Service Pack is Installed
- How To Find What Windows XP Service Pack is Installed