How to Legally Activate Windows 10 for Free [2025]

If you are like most people who don’t know how to activate Windows 10, you’re in the right place. Because today I will share some simple and easy methods to activate your Windows. This guide is for beginners who are new to the world of computing and may not be familiar with this process. It can also be helpful for users of older computers, as I will provide some new tips and tricks that even experienced users might not know.

As everyone knows, Microsoft has announced that Windows 10 is the final version. Therefore, there will be no more Windows updates in the future, so it is recommended to upgrade to the latest version soon.

This is because Windows 7 will also reach end-of-support, meaning it will no longer receive updates. There are several ways to upgrade, such as downloading the Windows 10 ISO image and then creating a bootable USB or DVD to install it as usual.

Now, the issue arises after upgrading Windows: it requires activation after 30 days. Since this version of Windows 10 comes with a free 30-day trial, once it expires, you’ll need to purchase a valid license key and activate it.

Otherwise, some features will be restricted, such as changing themes, installing certain applications, and you won’t receive updates, which could also harm your PC.

This leads to the question: is there a way to activate Windows 10 without buying a product key? The answer is simply Yes, read this entire guide where I will tell you how to do it yourself.

How to Activate Windows 10

  1. Go to Settings
  2. Then click on Update & Security
  3. Select Activation
  4. And then click on Enter a product key.

Now, enter the product key you purchased and click Enter. Make sure you have a proper internet connection because the activation works online. It may take a few moments, and your Windows 10 will be activated within seconds.

If you skipped the ‘Enter a product key’ option during installation or purchased a key after installation, you can open

Note:

If you’re installing a fresh copy of Windows 10, you’ll be prompted to enter your product key during the setup. Simply enter the key there, and it will activate once the installation completes.

Personally, these keys work, and I have tested them, so you can also use them to activate Windows 10 for free. However, the activation process for this is a bit different, and there are two ways to activate using these keys. The first method is manual activation, and the second involves creating a batch file.

Let’s start with the manual process:

1. Click the Start menu and search for Command Prompt, or you can search via Cortana.

2. Right-click on Command Prompt and select Run as administrator. A warning dialog will appear; ignore it and click Yes.

How to activate Windows 10 Run command as administrator

3. In the command prompt, enter this command «slmgr /ipk yourlicensekey» (replace ‘yourlicensekey’ with the key you copied earlier corresponding to your Windows version, and do not include quotes) and press Enter.

How To Activate Windows 10 - License Key

4. Let the code run; this may take some time, perhaps a few seconds, until it finishes, then proceed to the next step.

5. Now, enter this command «slmgr / skms kms8.msguides.com». This will connect you to the KMS server.

Activate Windows 10 - KMS Server Connect

6. When successfully connected to the KMS server, you should enter this command «slmgr /ato». It will display a dialog message indicating that your Windows has been activated successfully.How To Activate Windows 10 - final Command

This is the easiest solution for people who don’t know how to activate Windows 10, but if you encounter problems following these steps, then you should try the automatic method instead.

Let’s see how you can activate Windows 10 automatically.

1. First, copy the code from the following link:

Copy Windows activation code

2. Then, open the Start menu, search for Notepad, and open it normally.

3. Paste the code you copied from the previous link and save it as ActivateWindows10.cmd. Make sure to save it as a .cmd file; otherwise, it won’t work and will open as a regular text file.

4. After saving the batch file, right-click on it and select Run as administrator. This will open Command Prompt and run some commands automatically.

5. Wait a little while; this process will connect to the KMS server and activate Windows automatically.

That’s it! You’ve successfully activated Windows 10 automatically without purchasing a product key. This is the best and newest method you can use for Windows OS activation.

If these methods do not work for you, there is another very effective method that is 100% working and very reliable. This involves using a special activator, so let me recommend some of the best activators you can use.

How to Activate Windows 10 Using an Activator

There are many activators available online, but some contain viruses, others don’t work well, and some can even harm your system.

To avoid these issues, I am sharing with you the most reliable activator that works almost all the time, which I also personally use.

Activate Windows with KMSPico

This activator is called KMSPico, which has been scanned by VirusTotal and found to contain no malware or trojans. It is currently one of the most popular tools for activating Windows.

It was developed by the trustworthy Daz team, which has created many activation tools for Windows users.

This tool is compatible with all editions of Windows and can activate both architectures (32-bit and 64-bit). Some antivirus programs might flag it as a virus, but this is false detection because such pirated tools are often blacklisted, even though they are safe to use.

Ignore such warnings because it does not contain any viruses, and I have never encountered any issues while using it.

It works offline and doesn’t require an internet connection to activate. It is lightweight and doesn’t take up much space on your PC.

This activator can be removed after activation, but your Windows will remain activated until you install a new OS. It is a permanent solution for all Windows editions and is also compatible with Windows 7, 8, and 8.1. Additionally, it supports Microsoft Office activation for all versions up to 2007.

If you want to read more about this tool and activate Windows, follow this link: KMSpico Activator for Windows 10

How to Activate Windows 10 with Microsoft Toolkit

Another tool you can use is Microsoft Toolkit, developed by unknown developers. It is a free tool like KMSPico and is also used for activating Windows 10 without a product key.

There are two methods for activation: one via AutoKMS and the other via the EZ activation method.

The older name of this toolkit was EZ Activator, which works over the internet; you need a stable internet connection to activate Windows. Otherwise, errors will occur.

After recent updates, it is called Microsoft Toolkit and now includes offline activation features as well.

If you opt for offline activation, you should use AutoKMS. KMS technology connects large networks’ computers to a server to activate them all at once.

If you prefer online activation, use the EZ method. It is secure and trustworthy; your data remains safe, as confirmed by VirusTotal scans.

Some antivirus programs may detect it as malicious, but ignore these warnings; just disable your antivirus temporarily during activation.

If you want more information or to download, follow this link: Microsoft Toolkit Activator

Conclusion

These are some of the best and easiest methods for those who don’t know how to activate Windows 10. After reading this guide, you’ll be equipped with all the knowledge needed.

The methods described are proven 100% working and have been tested personally, so I recommend them with confidence so you can benefit from them too.

Many people cannot afford to buy a license key, and in such cases, they can use the keys shared above with the methods I described.

If you don’t know your Windows version or want to activate it directly, I recommend using activators as they are the most straightforward solution, automatically working without complex steps.

Just install the activator, and your Windows will be activated instantly. You can also read more about how to use the tools by following the links provided above.

I hope you found my guide helpful. If so, please share it with your friends because sharing is caring. This way, more people can benefit from these methods too.

If any method helped you activate your Windows, please let me know in the comments section so others can see that these methods are effective.

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