KMSAuto Net is a popular tool used to activate Windows and Office products without using a valid product key. It's a portable tool that doesn't require installation.

If you still plan to proceed (not recommended), follow strict precautions:

Important: KMSAuto Net is a third‑party activation tool that’s commonly used to activate Microsoft Windows and Office products without official licenses. Using or distributing such tools may violate software license agreements and could expose you to malware or legal risk. Proceed only if you understand those risks and are complying with applicable laws and licenses.

KMSAuto Net 2016 v1.4.9 Portable: Understanding Activation Tools and Security Risks

Because many antivirus programs flag these tools as threats, they are often distributed in password-protected .zip or .7z archives to prevent immediate deletion upon download.