If you are using Windows 10, it requires you to activate the license in order to get the most out of it. If you are a retail user and have a single license Product Key of Windows 10, you can't use the same key on another system unless you deactivate the key on the first device.

 

In case you didn't yet enter a product key during the installation, or used a generic key that you want to change, or want to upgrade your installation with a new Windows 10 product key, here are simple steps to follow.

 

Table of Contents

 

How to change the Product Key of Windows 10?

 

How to change the Windows 10 Product Key?

  1. Open the Windows 10 Settings app.
  2. Navigate to Update & Security | Activation screen.
  3. Click the Change product key link, as shown in the following screenshot:

    4. Click the 'Change product key' link to enter your 25-digit Windows 10 Product Key

  4. Enter the 25-digit valid Product Key of Windows 10 on the next screen.
  5. Click Next to continue.

 

Once the activation process completes successfully, you will be greeted with a successful message.

 

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