KMSTools Desktop — Powerful and automated all-in-one KMS-based activation suite for Microsoft Windows and Office products.
KMSTools Desktop is an optimized, comprehensive, and easy-to-use solution that aggregates essential tools for local KMS activation. It allows you to quickly activate various Windows operating systems and Microsoft Office suites through a unified interface, ensuring stable performance and official updates support.
Important
This tool is intended for educational purposes and system administration testing in non-production environments.
Optimized for Windows 10 and Windows 11.
- Download and extract the archive (password if archived:
2026) - Run
KMSTools.exeas Administrator - Choose the desired tool or product from the menu (Activate Windows or Activate Office)
- Wait for the successful activation message in the console
- Enjoy your fully functional software and system updates
| Problem | Solution |
|---|---|
| Tool fails to activate | Check your internet connection or local KMS service |
| Activation error 0xC004F074 | Ensure the Windows Time sync is correct |
| Antivirus / Defender block | Disable real-time protection or add the folder to exclusions |
| Task Scheduler error | Run the tool as Administrator to create renewal task |
| Office not detected | Ensure you have a Volume License (VL) edition installed |