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Summary :

Change product key

Windows activation is a necessary process after you installed a new operating system; you must enter the correct product key to enjoy full features of the system. If you entered the wrong key carelessly, you should click on the change product key button and enter the new product key. However, the change product key may not work sometimes.

Windows Change Product Key

When installing a Windows operating system, users will be asked to enter the product key to activate Windows. In fact, you can skip this process if you don’t have a product key at hand. Then, you should click on the Change product key link to activate system when you’re convenient.

Change product key

The activation pairs your product key with the computer and it is used as a mechanism for protecting copy. Besides, it is capable of defining support rights.

MiniTool provides full solutions for you to protect system & data.

How to Access Change Product Key

If you didn’t activate Windows before, you should follow the steps given below to complete the activation.

  1. Press Start + I to open Settings app.
  2. Look for Update & Security (Windows Update, recovery, backup) option and click on it.
  3. Shift to Activation option from Windows Update (checked by default) in the left sidebar.
  4. Look for Update product key area in the right-hand panel.
  5. Click on the Change product key link under it.
  6. Type or copy & paste your product key in the Enter a product key window.
  7. Click on the Next button to continue.

Enter a product key

Please note that you can also access the Change product key via Control Panel.

Windows Product Key Not Working, How to Fix

What you should know about the activation key?

  1. The Windows 10 system can’t be activated by a Windows 7 or Windows 8/8.1 product key.
  2. If you’re upgraded from an activated Windows 7/8/8.1 license or Windows 10 Preview build, you won’t be asked to enter a new product key.

Many users reported a problem: the Windows activation failed. They said the Change product key button does nothing and does not respond after they clicked on it.

Windows Activation Error Appears On Your PC, How To Fix?

Therefore, they need solutions for fixing it; that’s why I’d like to introduce the following ways for you to enter Windows product key/Windows Server product key.

Use Command Prompt Tool

  1. Click on the Start button in the lower left corner.
  2. Expand the Windows System folder from the menu.
  3. Right click on Command Prompt.
  4. Choose More from the start menu and choose Run as administrator from the submenu.
  5. Click Yes in the User Account Control window.
  6. Type VBS -IPK product key in the command line.
  7. Press Enter on the keyboard and wait for the command to complete.
  8. Restart your PC and try to change product key again.

Command Prompt

This post tells you how to recover files by using the Command Prompt tool.

Run Slui 3

  1. Click on the Start button in the lower left corner.
  2. Expand the Windows System folder from the menu.
  3. Select Run to open the dialog box.
  4. Type Slui 3 into the textbox.
  5. Click on the OK button or press Enter on the keyboard.
  6. Click Yes in the User Account Control window to allow Windows Activation.
  7. Type or copy & paste your product key in the Enter a product key window.
  8. Click on the Next button to continue.

Run Slui 3

In addition, you can try to add the product key during the installation.

You should copy & paste the product key during the installation, instead of choosing to skip it and activating later on. There are a lot of users said this method worked while they were reinstalling their Windows/Windows Server system.

Please read this page if you need to recover files that are lost from Windows Server suddenly.

FYI: if you also want to reinstall your OS to fix the Windows product key not working issue, please remember to back up your data (at least the important files) before the reinstallation.

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