KMSpico is a popular tool used for activating Microsoft Windows and Office products. It employs the Key Management Service (KMS) technology to provide genuine activation without requiring a product key. This tool is often used to activate both Windows operating systems and Microsoft Office suites, ensuring full functionality. However, it’s important to note that using such tools may violate Microsoft’s terms of service, and users should proceed with caution. Always consider obtaining software through official channels to avoid legal and security risks.