Usually, a Windows PC needs to be activated to confirm that you're running a genuine and authentic copy. That's why we use a unique product key to make sure that a single license of Windows isn't being used on another device.

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There are several scenarios where you might need to change the product key used with your copy of Windows, such as:

    • A product key wasn't provided during the initial setup of Windows 10/11.
    • The current product key is invalid or pirated.
    • You need to upgrade your current version of Windows.
    • Your system was upgraded using a generic key.

As such, you will need a new, valid product key to activate the operating system.

A Windows PC offers several ways to easily change your product key. Here, we share the top five methods that allow you to invoke the Windows activation tool and alter the product key on your computer without having to reinstall the operating system.

Read on for more easy methods and detailed steps.

Top 5 Ways to Change Product Key in Windows 10/11

Here are five quick and easy ways to help you change your Windows product key without having to reinstall the operating system.

  1. Solution 1: Change the Product Key in Settings
  2. Solution 2: Change the Product Key via Command Prompt
  3. Solution 3: Change the Product Key in System Properties
  4. Solution 4: Change the Product Key using SLUI.exe 3
  5. Solution 5: Change the Product Key with Changepk.exe

Solution 1: Change the product key in Settings

You can change and activate a new product key for Windows 11 or 10 through the built-in Settings app on your computer. Follow these steps to do so:

Change Windows 10 product key

Steps:

    1. Click on the "Start" menu and then select the "Settings" option. 2. Click on the "Update & Security" icon. 3. Navigate to the "Activation" tab. 4. Under the "Change product key" section, click on the link that says "Change product key." 5. When the User Account Control prompt appears, click "Yes." 6. Enter your 25-character new Windows 10 product key. 7. Finally, click the "Next" button to connect to the Microsoft activation server and activate your Windows copy using the newly entered product key.

Get a genuine Windows key to permanently activate your copy and enjoy all its features on your computer without any activation prompts.

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Solution 2: Change the product key at the command prompt

You can also use the Command Prompt tool to change your Windows product key on a PC. The process is quick and easy, and you can follow these steps to change your product key via Command Prompt.

Change a Windows Product Key Using Command Prompt Change a Windows 10 product key using Command Prompt

Steps:

    1. Open the Command Prompt as an administrator by searching for "CMD" in the Start or Taskbar search bar, then right-clicking "Command Prompt" in the search results and selecting "Run as administrator."
    2. Alternatively, you can press and hold the Windows logo key, then press the X key, and select "Windows PowerShell (Admin)" from the menu that appears.
    3. Next, type in the following command line and press Enter to execute it:

slmgr.vbs -ipk is a command used in the Windows operating system to input a product key. Running this command in the Command Prompt activates or changes the license key for Windows. "slmgr" stands for "Software Licensing Manager," and ".vbs" is an extension for a Visual Basic Script file. When using this command, you would follow "slmgr.vbs -ipk" with your product key, in the following format: ```cmd slmgr.vbs -ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX ``` Here, the "X"s represent the letters or numbers found in your product key.

After the product key change is complete, you see the message Product key installed successfully.

Solution 3: Change the product key in System Properties

By using the "System Properties" option, you can easily change the product key in Windows 10 and 11. Just follow these steps to modify and activate your new product key.

Steps:

    1. Open the System Properties window by right-clicking the "This PC" icon on your desktop, then selecting "Properties." Alternatively, you can press the Windows key and the Pause Break key at the same time. 2. Next, click the "Change product key" link under the "Windows Activation" section. 3. When the User Account Control screen appears, click "Yes." 4. Finally, when the "Enter a product key" screen appears, type in your Windows 10 product key and press the Enter key on your keyboard.

If the product key is valid, Windows will automatically connect to Microsoft's activation servers and activate the license.

Read more: How to Find Your Windows 10 Product Key with CMD

Solution 4: Change the product key by using SLUI.exe 3

Now use the SLUI command to change the product key of a Windows computer. For this, you must follow the process mentioned below to have a smooth ride.

Open SLUI

Steps:

    1. Press the Windows key + R to open the Run command dialog. 2. Now, type slui.exe 3 and click OK to open the Windows Activation Client. 3. If a User Account Control prompt appears, click Yes. 4. In the "Enter a product key" dialog box, type and enter the new 25-character product key for the version of Windows you need. 5. Finally, click the Next button to change the product key.

When the activation process is complete and successful, you'll see a message that says Windows is activated.

Get a genuine Windows key and use it permanently on your computer to activate all Windows features in one go.

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Solution 5: Change the product key using Changepk.exe

With changepk.exe, you can easily change the product key on your Windows computer. Here are two methods to use the changepk.exe command to change and activate a new product key: **Method 1: Using the Command Prompt** 1. **Download changepk.exe**: First, download the `changepk.exe` utility from a reliable source, such as an official Microsoft forum or a trustworthy third-party website. 2. **Right-click and Run as Administrator**: Once downloaded, locate the `changepk.exe` file, right-click on it, and select "Run as administrator." 3. **Change Product Key**: In the command prompt window, type the following command and press Enter: ``` changepk.exe /i ``` Replace `` with your current product key and `` with the new key you want to use. 4. **Activation**: If the new key is valid, Windows will attempt to activate it automatically. You might need to restart your computer for the changes to take effect. **Method 2: Using a Batch Script** 1. **Create a Batch File**: Open Notepad or any other text editor and create a new file. Type the following lines: ``` @echo off start /wait changepk.exe /i ``` Replace `` and `` with the appropriate keys. 2. **Save as a Batch File**: Save the file with a `.bat` extension, for example, "ChangeKey.bat". 3. **Run the Batch File**: Right-click on the saved batch file and select "Run as administrator." The process will start, and if successful, the new product key will be activated. Remember that using unauthorized or illegal product keys is against Microsoft's terms of service. Always ensure you have a genuine product key to avoid any legal issues.

type changepk exe

Steps:

    Press the Windows key and R together to open the Run command. Then type "chgpk.exe," and click OK to open the Windows Activation Client. After that, input your 25-character product key for the version of Windows 10 you need, and press Enter. Finally, click the Next button to complete the process.

When the process is complete, you'll see the message “Windows is activated.”

Alternatively, you can use change.pk through the command prompt:

  • Open the Start menu, search for Command Prompt, and click on it.
  • Right-click the result and select Run as administrator.
  • Now, enter the following command using your 25-character product key and hit Enter.

changepk.exe /ProductKey This command is used to change the product key. By entering this command in the command line along with the product key, it updates the license key of the installed software. The specific usage may vary depending on different software and is typically detailed in the software's help documentation or on the official website.

The bottom line?

If there's any doubt about the product key being invalid or pirated, it's best to replace the product key immediately. Thankfully, Windows offers several solutions, with the most popular method being to open the Settings app.

However, if you want to create a script to change the Windows product key on your computer, you can look at multiple available options. We have provided you with five of the best and simplest methods to change the product key on your Windows PC.

But before you make any changes to the system's product key, make sure you're signed in with an administrator account and have an Internet connection available.

Lastly, here's a tip to activate Windows for one time? Get a genuine Windows key and use it permanently on your computer to enjoy all the available features.

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Big Sale on Windows Product Keys - Save up to 85%

Get secure and genuine Windows 10 Product Keys at discounted prices with instant delivery. Limited time offer.

Use our exclusive coupon code - toolsVIP for extra savings.