Kmsauto is designed to work with various versions of Windows and Office that are compatible with KMS activation. This typically includes many versions from Windows 7 up to Windows 10 and Microsoft Office versions such as Office 2010 to Office 2019. However, compatibility can vary, and newer versions or editions may not be supported. For the best results and to avoid potential issues, it’s advisable to check specific compatibility details or use official activation methods provided by Microsoft.