Only a genuine copy of Windows has been activated with a valid key. You can be certain that Windows Key purchased from website or from OEMs are genuine. However, if you purchase them from a third-party website, you must exercise caution. So, are Windows 10 keys purchased from a third-party website, such as Amazon, valid or legal? That is debatable!
Since they could be deactivated product keys or Volume licence keys, many customers obtain a licence – which is sold at a very low price – that later proves to be invalid. We’ll show you how to verify whether your Windows Product Licence Key is genuine or not in this article.
Keys come in a variety of shapes and sizes. Directly purchased Windows 10 keys are generally good for the life of the system (Retail and OEM).
Another form of key is Volume Licensing (MAK and KMS). These keys are purchased in bulk by enterprises or large corporations to unlock computers.
There have been several instances where third-party retailers have sold these keys to customers at a low cost. These keys can be used on many machines and will last for a few months. It’s best not to buy a Windows 10 key from someone who isn’t allowed to sell them. Also, if anyone is approved and offering a low price, make sure to ask if the key will still function after reinserting it or you can get a new key from
There are two possibilities:
First, you have the key, which you want to double-check before using it. Second, if you’ve already used it but want to double-check.
Let’s look at how to tell if your Windows Key is authentic:
Make use of PID checker software:
The Ultimate PID Checker and Microsoft PID Checker are two tools you can use to check whether the Windows 10 key is genuine. While the Ultimate PID Checker is compatible with all versions of Windows prior to Windows 10, the Microsoft PID Checker is only compatible with Windows 10 and Server 2016.
Click here to download Microsoft PID Checker or here to download Ultimate PID Checker. If the key is fake or null, the program will respond with an error message. It’s also possible to use it to verify the MAK count.
Use the Software Licensing User Interface to check your Windows key:
The form of key will also be included in the outcome (Retail, OEM, MAK, or KMS key). If the License status reads “Licensed,” you are in good shape. Your key is invalid if there is something else. If the form is MAK or KMS, and you are a general buyer, you must contact the individual who sold you the key and obtain a Retail key.
Check the status of your settings and activation:
There are a couple of fast ways to see if the key you used is valid. The first thing you can do is open Settings and check for any activation warnings. If that isn’t the case, check the status under Update & Security > Activation. You have a problem if there is an error and it does not state that Windows is allowed. To summarize, the Windows 10 keys are not genuine or legitimate.
Author: Olivia Smith is a Microsoft Office expert and a full time blogger with 5 years of experience in the technology industry. She has written technical blogs, white papers, and reviews for a variety of websites, including .