The other option is that you may go and buy Windows 10 key online from Microsoft store. If you are running genuine version of Windows 7 or 8.1 then you can free upgrade to Windows 10. You will see Installed product key successfully message once the key is changed.Should You Upgrade or Purchase Windows 10 Product key Step 2: Run the following command line, and press Enter.

Press ' Windows logo + X' keys, then hit A key on the keyboard. Step 1: Open Command Prompt as administrator. How to Change Product Key in Command Prompt Step 5: When the Windows was activated successfully, click on Close. Step 5: When the Activate Windows appears, click Next. Step 4: Enter the 25-digit product key for the edition of Windows 10 you want, press Enter. Step 2: Then type changepk.exe into Run dialog, then click OK. Step 1: Press the Win + R keys to open the Run dialog. How to Change Product Key in Changepk.exe Step 4: In the Enter a product key dialog, type in the new product key and then click the Next button to change the product key. Step 2: Type in slui.exe 3, press Enter key. Step 1: Press Win + R to open Run dialog. Windows 10 will connect to Microsoft activation servers and activate your license if the key is valid.

Step 4: Type in your new Windows 10 product key and then press Enter key on your keyboard. Step 3: Click Yes button when you see the User Account Control screen.

Step 2: Under the Windows activation section, click Change product key link. Step 1: Open System Properties using shortcut keys: Windows + Pause Break. How to Change Product Key in System Properties Then enter your new Windows 10 product key and then click the Next button to connect to Microsoft activation servers and activate your copy of Windows 10 using the newly entered product key. Step 3: Click Yes button when you see the User Account Control prompt. Under Update product key section, click Change product key link. Step 1: Click the Start menu and select Settings. Option 1: Change your product key to fix activation errors You need to sign in as an administrator to change the product key and activate Windows 10. Way 5: Change Product Key in Command Prompt.Way 4: Change Product Key in changepk.exe.Way 2: Change Product Key in System Properties.Windows 10 provides five simple methods to change the Windows 10 product key. The current product key may be invalid (pirated key), and you want to replace the current product key with a new key without having to reinstall Windows 10. It may be you want to change product key to upgrade your edition of Windows 10. There are many reasons to change your Windows 10 product key.

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