The release date is significant because it allows Microsoft to gain more control over the future of Windows XP, and it also gives consumers a chance to receive the first taste of an advanced Microsoft interface. Many people don't realize that Microsoft still supports this operating system, and many have been waiting for the upgrade since its early release. This is a huge deal considering that Windows XP was released in 2021. Microsoft has announced that they will be releasing Service Pack 1 for Windows XP on March 11th. What is Microsoft Service Pack 1 for Windows XP?