The Beginner's Guide to Windows Service Packs

While they can be time consuming, service packs offer and overhaul of security enhancements and performance improvements throughout the life of the operating system.
Oh, the humble Microsoft Windows Service Pack. As a software update for your PC it’s not something you can touch or see, but it is nonetheless an integral part of the Windows operating system experience. You need to respect, not fear, the Windows Service Pack.
Why? It’s simple: Understanding the basics of what a service pack is and what it can do for your PC will lead to better security, reliability and peace of mind. In other words: This is important! But please, don’t be intimidated. We’re here to help.
Service packs are free updates to the Microsoft Windows operating system you already have installed on your PC. Besides being free, each pack often includes a menagerie of security and performance improvements for any new hardware or gadgets you may have purchased along the way.
For example, a recent service pack for Windows 7 included improved reliability for connecting to HDMI audio devices and better printing when using the XPS viewer (which is used to view certain types of documents and file formats on your PC). The update also corrected some issues with restoring folders after a restart of Windows Explorer.
Windows doesn’t require service packs in order to run, which leads some users to delay or even skip installation. A better strategy is to stay up-to-date on service pack releases, because they’re loaded with important updates that can keep your system more secure and user-friendly. Here are just a few benefits they provide:
When you’re ready to install a service pack, set some time aside for the task. Most installations take about 30 minutes to complete. Since a computer must be restarted about halfway through the installation, be sure to close all applications and documents (don't forget to save first), so that the restart and installation will be quicker.
The easiest way to get service packs is to turn on Windows Update for Windows 7 and Windows Vista, or Automatic Updates for Windows XP.
By switching on automated update services, Microsoft will notify you whenever service packs are ready to install and will guide you through the process.
If you want to keep Microsoft Windows running strong and protected, make sure regular service pack updates become part of your routine.