Run changepk.exe to input your product key in Windows 10 Once Run is up, type slui.exe 3 and click OK or hit the Enter key.Įnter your 25-digit product key and press Enter.Press the Windows logo key + R shortcut in order to evoke the Run app.Locate and click the Change product key link.ĭo what you are asked to get the job done.Navigate to the Windows activation section.Click on the Windows logo icon that is always present on your Taskbar.Change your Windows 10 product key via Control Panel Press the Windows logo key + I keyboard shortcut.Įnter your product key and follow the instructions to complete your task.Change the Windows 10 product key via the Settings app: From the right pane, select Change product key.įollow the on-screen prompts to complete the process.You will be taken to the Activation screen.