How to change product key on Windows 10

Although it is not a very common operation, for several reasons it may happen that you have to change the product key on Windows 10 . For example: Have you bought a new unlicensed PC and need to register the operating system? Have you tested the trial version of Windows and bought a key later?

For cases like these (and many more) you may have to change the product key, which is the product code that certifies that you have purchased genuine licensed Windows 10 and enables you to regularly use the Microsoft operating system.

On Windows 10 there are many different ways to do this and, below, we are going to list some of them.

How to change Windows 10 Product Key from Settings

This is the simplest and most direct method: first, you need to open the Settings , then go to Update and security and, from the side menu, click on Activation .

From this screen, simply click on the appropriate item Change Product Key , then type the 25-digit code and complete the procedure.

If all goes as planned, “Windows is activated” will appear.

How to change Windows 10 Product Key from Control Panel

Also from the good old Control Panel it is possible to change the Windows 10 Product Key: first, in the search bar type System and click on the first result, which will take you to the correct page of the Control Panel.

Here, at the bottom, you will find the item Change the product key or update the Windows edition : click on it to open a new window where you can type the 25-digit code.

How to change Windows 10 product key from Command Prompt (Terminal)

For those who prefer the terminal , obviously it is possible to change the Windows 10 product key also from the Command Prompt.

To do this, type Command Prompt in the search bar , right-click on the first result and select Run as administrator . Once the screen opens, type the following command:

slmgr.vbs /ipk CODICE PRODUCT KEY

replacing, of course, “PRODUCT KEY CODE” with your 25-digit code and click Enter to confirm.

How to change Windows 10 product key from SLUI 3

Finally, it is possible to change the product key directly through SLUI 3 , which is the software that is still run every time you start a procedure to change the Product Key.

To use this procedure, type slui in the search bar, click the first result and, after confirming, type the 25 characters of the Product Key in the bar that appears.

Once you have finished and given the Enter, also in this case the message Windows is activated will appear .

by Abdullah Sam
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