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KMS Auto Activator [2025 MAY Update]

The Easiest Way To Activate
Microsoft Windows & Office For Free

Do you have projects to tackle on your PC? Perhaps you just want to enjoy your device. Nobody enjoys having limited access to Microsoft Office or Windows OS. However, when that Office 365 free trial has expired or that “Windows not activated” watermark starts hovering over your desktop, your productivity and ability to get the most out of your device will be limited.

Luckily for you, there’s no need to shell out hundreds of dollars to activate Windows and Office, download risky activation tools or spend hours trying out product keys on the internet. KMS Auto activator is the ultimate one-click solution to activate Microsoft Windows and Office products for free, and in this article, we’re sharing its benefits and telling you exactly how to use it.

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Disclaimer!

KMS Full is strictly against piracy, and any product we feature on our site is for educational purposes. This website is not in any way affiliated with Microsoft and all its trademarks.

What Is KMS Auto Activator And What Can It Do?

KMS Auto is one of the best offline Windows and Office 365 activators available for free. It helps you activate Microsoft Windows and Office products by emulating Microsoft’s own Key Management Service (KMS). The goal? To bypass trial restrictions, remove activation pop-ups, and give you full access to Microsoft Office and Windows products without you ever having to use a license key or spend money to buy one.

Activate Windows & Office Risk-Free

KMS Auto activates Microsoft Windows and Office products locally on your machine, giving you complete privacy when activating your software so you never have to worry about outside connections accessing your device or tracking.

No Viruses Or Malicious Software

The KMS activator is designed to activate your system without introducing harmful code. When you use the KMS Auto activator, you have unrestricted Windows and Office access without the risk of spyware, malware, or background processes.

Supports Latest Updates

We continuously update the KMS Auto activator to keep up with Microsoft’s newest updates and system changes so that your activations stay valid, your products stay compatible, and you keep getting the latest features.

One Tool, Multiple Product Activation

Whether you’re using the brand-new Windows 11 builds or the tried-and-true Office 2010 setups, the KMS Auto activator is compatible with all versions and system types; both 32-bit and 64-bit.

Not Tech Savvy? No Problem!

No need for cracks, or tempering with your registry files. KMS Auto Activator is built for simplicity. Just open the tool, follow the prompts to activate and reactivate and enjoy your fully unlocked product.

Why Do Thousands Of People Download KMS Auto Activator?

⦁

It's 100% Free, For Life.

Activate Microsoft Windows and Office completely free without ever having to worry about free trials or surprise costs.

⦁

It Offers Safe, Offline Activation

KMS Auto works completely offline so you never have to worry about risking your data security or using it when there’s limited connectivity.

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It Supports Almost All Product Versions

Whether you’re using older or newer versions of Microsoft Office and Windows, KMS Auto will activate them with a few clicks.

KMS Auto Vs Other Activators

Feature

KMS Auto

Other Activators

Offline Activation

Yes

Usually Online, May Need External Validation

Easy To Use

Yes

Very Complicated, Manual Setup Required

Supported Products

Windows & Office

Unreliable

Safety & Security

100% Safe & Secure

High Risk Of Malware, Spyware, Viruses & Registry Errors

Updates

Genuine Microsoft Updates Supported

Often Blocks Updates Or Breaks After Updates

Cost

Free

Free But Very Risky

KMS Auto Works With Nearly Every Major Microsoft Product You Can Think Of

And that includes the latest Windows 11 OS to the legacy Windows 7 version along with Microsoft Office from 2010 through 2021 versions.

ㅤWindows

  • Windows 7
  • Windows 8 / 8.1
  • Windows 10
  • Windows 11
  • Windows Server

ㅤMicrosoft Office

  • Microsoft Office 2010
  • Microsoft Office 2013
  • Microsoft Office 2016
  • Microsoft Office 2019
  • Microsoft Office 2021

How To Activate Windows & Office For Free

Wondering how to activate Windows for free? KMS Auto is safe easy to install and offers lifetime activation guaranteed. Simply follow our guide and your newly activated Windows OS and Office products will be up and running in no time.

How To Download KMS Auto Activator

Getting started with our KMS activator is quick and here’s exactly how to get the right file, handle the password, and unlock access to the program so you’re ready for installation.

Step: 1
Click the Download Now button to get our free Windows and Office activation tool.

Download Now

Step: 2
Complete the CAPTCHA verification, take note of the password, copy the decryption key, and enter it when prompted to access the download file

Step: 3
Click on Download and the file will be automatically downloaded to your device.

Installing Your Windows 11 Activator

Before you can activate Windows or Office, you’ll need to install the KMS Auto tool on your system. Here’s how to install your Windows activator smoothly.

Step: 1
Turn off virus protection on your computer temporarily before running the tool to prevent your computer from flagging it as a virus.

Step: 2
Next, temporality disable Windows Security’s Real-Time threat protection (previously Windows Defender). Here’s how it works.

  • Open Windows Security by pressing Win + S, type Windows Security and select it.
  • Click on Virus and Threat Protection in the left panel of your screen.
  • Scroll down to Virus & Threat Protection settings and click Manage Settings.
  • Find Real-time protection, toggle it off and click on Yes on the pop-up tab.

Step: 3
From the browser you used to download the installation file, open the Downloads tab, and click “Open in Folder“.

Step: 4
Locate the file and double-click to extract it. You will be prompted to enter a password. Enter password 2025 and extract the file to a folder.

Step: 5
After the extraction is complete, you’ll see a new folder. When you open it, you’ll find the KMSAuto.exe file.

Step: 6
Right-click on the KMSAuto.exe file, click on Run as Administrator and the KMS Auto installer will open.

Step: 7
Follow all the installation prompts given and once the installation is complete, close the Setup Wizard.

How To Activate Windows & Office For Free

Once your KMS activator is installed, activating your Windows or Office product takes just a few simple steps. Here’s how to activate Windows for free with KMS Auto, unlock MS Office products and enjoy full features, updates, and genuine Microsoft licensing.

Step: 1
Open the Start Menu and locate “KMS Auto” or click on Win + S and type in KMS Auto.

Step: 2
Double-click on the tool to launch. Once open, you will see the Windows icon and a red button on the screen.

Step: 3
Click on the red button and wait. Once activation is complete, you’ll hear a sound saying, “Program Complete.”

Step: 4
Restart your computer.

Step: 5
To confirm activation, click on Win + S, type in, “See if Windows is activated” and double-tap. The activation state should show Active.

Frequently Asked Questions About KMS Auto Activator

Is your KMS Auto activator safe?

Absolutely! KMS Auto Activator is 100% safe provided you download it from a trusted, source like our website.

Does KMS Auto activator permanently activate Windows and Office for free?

Yes, the KMS Auto activator activates Windows and Office for free permanently. However, you will need to refresh the activation every 180 days to keep your system running without any interruptions, and it takes minutes to do it.

Can I uninstall KMS Auto after activating Windows or Office?

Absolutely! Once you’ve used our KMS Auto activator to activate Windows for free, you can uninstall the tool if you want to. Just remember, when the 180 days are up, you’ll need to reinstall or re-run the program to renew activation. We do recommend leaving it as is on your device to avoid the hassle of installing and reinstalling.

Will my system still receive Windows updates after activation?

Yes. Once your system is activated, you’ll continue to receive Microsoft updates, including security patches and even feature improvements. Our Windows and Office activator ensures you stay current with updates just like a paid user.

What should I do if activation fails?

First, double-check that you’ve temporarily disabled antivirus software and Windows Defender (or Windows Security on newer OS versions). These programs may prevent KMS Auto from running by accidentally flagging it as a virus.

Also, ensure you’re running the tool as an administrator. If you still run into trouble, restarting your computer and trying again usually does the trick.

Can KMS Auto be used offline?

Absolutely! One of the major perks of using KMS Auto is that it performs activation entirely offline. You don’t need an internet connection, and the tool won’t connect to any third-party servers, keeping your privacy protected.

Can I use the internet after activating my computer with KMS Auto?

Yes, absolutely! Once you’ve used KMS Auto to activate Windows for free, you can safely reconnect to the internet and use all your online services as usual. Plus, you’ll still receive Windows and Microsoft updates. There’s no need to stay offline or worry about being flagged just because you used it.

The Takeaway?

If you’re looking for the easiest, safest, and most hassle-free way to activate Microsoft Windows and Office for free, KMS Auto Activator is the best option for you. The best part? You don’t need to shell out hundreds of dollars when all you want is full access to the tools you already use.

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John Arnewski

Main Developer

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Chen Li

Content Writer