Options to install or remove specific KMS keys, back up current license states, and convert Office retail editions to volume license editions. Supported Operating Systems Windows 11 Windows 10 Windows 8 and 8.1 Windows Server editions (2012, 2016, 2019, 2022) Supported Microsoft Office Suites Microsoft Office 2021 Microsoft Office 2019 Microsoft Office 2016 Microsoft Office 2013 Microsoft Office 2010 The Core Activation Mechanism
A log window will display messages like:
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The v1.8.5 release is an evolution of earlier KMS scripts and tools, offering several streamlined features: KMSAuto v1.8.5 -Activate Windows and MS Office-
Because KMSAuto alters system files to emulate a server, commercial antivirus software and Windows Defender routinely flag it as a "Potentially Unwanted Program" (PUP) or a threat. Open (or your third-party antivirus app). Go to Virus & threat protection settings . Temporarily turn off Real-time protection . Step 2: Downloading and Extracting Download KMSAuto v1.8.5 from a trusted, reputable source.
For advanced users, KMSAuto Lite accepts silent command-line switches:
KMSAuto v1.8.5 promised to provide a simple and easy-to-use interface for activating Windows and Office products using a Key Management Service (KMS) emulator. According to the website, the tool could activate Windows 10, Windows 8.1, Windows 7, and Office 2019, 2016, and 2013. Options to install or remove specific KMS keys,
Using KMSAuto v1.8.5 to bypass software activation directly violates Microsoft’s End User License Agreement (EULA) and copyright laws in many jurisdictions.
Utilizing system hardware resources (CPU/GPU) to mine cryptocurrency, leading to severe performance degradation. 2. Disabling System Security
In December 2025, a 29‑year‑old Lithuanian hacker was arrested for distributing malware‑infected versions of KMSAuto that infected worldwide. Open (or your third-party antivirus app)
Using third-party tools like KMSAuto can expose users to security risks, including malware or vulnerabilities in the tool itself.
This article is for informational and educational purposes only. It does not encourage or condone the use of unauthorized software activation tools. KMSAuto v1.8.5: Activate Windows and MS Office Introduction
KMSAuto handles activation by creating a scheduled task that re-ups your authentication regularly (often every 10 to 30 days in the background). This ensures that your Windows or Office remains activated without you having to run the tool repeatedly. 3. What should I do if the activation fails?
The tool operates by mimicking the standard Volume Activation process used by large organizations.