Yes, there are several legitimate alternatives to KMSAuto for activating Windows or Office. The most straightforward method is to purchase a genuine license directly from Microsoft or an authorized reseller. Microsoft also offers digital licenses that can be obtained through online stores or their official website. Additionally, for organizations, Microsoft provides volume licensing agreements that can manage multiple activations efficiently. Using these official methods ensures legal compliance and support from Microsoft, which is not guaranteed with tools like KMSAuto.