what are the disadvantages of unactivated windows over activated windows? What is kms activation and is it illegal ? - Microsoft Q&A (2024)

Hi,

Installing Windows without a license is not illegal, activating it through other means without an officially purchased product key is illegal.
When it comes to functionality, you won’t be able to personalize the desktop background, window title bar, taskbar, and Start color, change the theme, customize Start, taskbar, and lock screen etc.. when not activating Windows.
Additionally, you might periodically get messages asking to activate your copy of Windows.

KMS (Key Management Service)

KMS is one of the legal methods to activate Microsoft Windows and Microsoft Office. Activation ensures that the software is obtained from and licensed by Microsoft. KMS is used by volume license customers, usually medium to large businesses, schools, and non-profits. Individual computers do not need to contact Microsoft, although the KMS server does. KMS clients must be activated at least once every 180 days. A KMS client will try to activate once every 7 days, and if it fails it will try again every 2 hours.

Source:
Wikipedia

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Best regards,
Leon

what are the disadvantages of unactivated windows over activated windows? What is kms activation and is it illegal ? - Microsoft Q&A (2024)

FAQs

What are the disadvantages of unactivated Windows? ›

All Disadvantages of Not Activating Windows 11/10
  • Annoying “Activate Windows” Watermark on Screen. You will have a watermark at the lower-right screen saying “Activate Windows. ...
  • You Can't Access Some Personalization Settings. ...
  • You May Miss Some Windows Updates.
Jan 19, 2024

Is KMS activation illegal? ›

KMS is a legitimate way to activate Windows licenses in client computers, especially en masse (volume activation). There is even a Microsoft document on creating a KMS activation host. A KMS client connects to a KMS server (the activation host), which contains the host key the client uses for activation.

Is it illegal to use unactivated Windows? ›

Using Windows 11 without activating it is not illegal in the sense of violating any laws, but it is technically against Microsoft's terms of service.

What is KMS in Windows activation? ›

KMS (Key Management Service) is one of the methods to activate Microsoft Windows and Microsoft Office. Activation ensures that the software is obtained from and licensed by Microsoft. KMS is used by volume license customers, usually medium to large businesses, schools, and non-profits.

What are the benefits of activating Windows? ›

Activation helps verify that your copy of Windows is genuine and hasn't been used on more devices than the Microsoft Software License Terms allow.

What is the difference between activated and unactivated Windows 10? ›

The main difference between using an activated and unactivated version of Windows 10 is that the activated version allows you to access all the features and functionalities of the operating system, while the unactivated version has certain limitations and restrictions.

What does KMS do? ›

Overview. AWS Key Management Service (KMS) gives you centralized control over the cryptographic keys used to protect your data.

Is KMS server bad? ›

Microsoft's Defender will find the KMS activater as a threat and other antivirus software will also do it. We have no information if this kind of tools have malware, we simply advise not to use it. If you do want to use illegal software please use it at your own risk.

Are KMS files safe? ›

Why we don't recommend it. Hack tools can be qualified as riskware, a category of software that may be risky to install on your computer or device. This is because a legitimate copy of the software may be bundled with adware, or it's actually malware named after popular software. Such is the case for KMSPico.

What is the risk of using unlicensed Windows? ›

Security risks Unlicensed software can carry viruses and other types of malware that infect computers. According to the Harrison Group, 24% of pirated copies of Windows were either infected or they automatically downloaded malware as soon as they connected to the Internet.

What are the limitations of unactivated Windows 11? ›

you should be able to run the unactivated Windows 11 with limitations. For instance: You are not able to do personalizations like changing wallpapers, themes, accent colors. Also some features and apps might not be available. From a legal perspective: Users are allowed to update a licensed Windows 10 to Windows 11.

Is KMS activation permanent? ›

KMS activations are valid for 180 days, a period known as the activation validity interval. KMS clients must renew their activation by connecting to the KMS host at least once every 180 days to stay activated.

Can I delete KMS after activation? ›

You should delete a KMS key only when you are sure that you don't need to use it anymore. If you are not sure, consider disabling the KMS key instead of deleting it. You can re-enable a disabled KMS key and cancel the scheduled deletion of a KMS key, but you cannot recover a deleted KMS key.

Does KMS need internet access? ›

If your KMS host computer doesn't have internet access, you can activate it by telephone.

How long can you leave Windows unactivated? ›

Additionally, you can use an unactivated Windows 10 without any restrictions for one month after first installing it. This means that your system will behave as if it's activated for 30 days. After this period expires, the restrictions come into effect.

Does unactivated Windows affect performance? ›

The right answer to this question is yes and no. Even though Microsoft won't directly slow down your computer if you don't activate Windows, several aspects will indirectly make it perform worse than it should. Certain tools and features from the Windows settings are vital for your PC to run perfectly.

Does unactivated Windows 10 expire? ›

Thus, Windows 10 can run indefinitely without activation. So, users can utilize the unactivated platform for as long as they wish at the moment. Note, however, that Microsoft's retail agreement only authorizes users to utilize Win 10 with a valid product key.

What happens if you don't activate Microsoft Office? ›

If Microsoft 365 can't activate, it eventually becomes unlicensed and all editing features of Microsoft 365 are disabled. Microsoft can become unlicensed for a number of reasons. For example, if your Microsoft 365 subscription expires, you must renew your subscription to restore all features of Microsoft 365.

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