That's why it's so important to download Windows XP for free and its latest Service Pack. It's always important to maintain your operating system updated, because it improves your computer's performance, and protects your system thanks to the security patches included. Important updatesĪ Service Pack or SP is a pack of updates and patches that fix and improve the operating system. Don't hesitate, just download Windows XP SP3 original. After installing the latest Service Pack you'll be able to make the most of several improvements, new functions and a pack of updates that notably improve your operating system. If you still use the Microsoft Windows XP operating system, you'll surely be interested in its latest update: Windows XP SP3.