Right-click on Computer and select Properties from the context menu. Alternatively, you can press Windows + Pause/Break on your keyboard as a shortcut.
In the black command window, type the following command, but replace the X’s with your actual product key (including the hyphens): how to change windows 7 product key
Click OK . Then, to activate the key, type the following command and press Enter: Right-click on Computer and select Properties from the
slmgr.vbs /ato Another pop-up will appear with a message like "Product activated successfully." Click OK . You may need to restart your computer for all changes to take effect. Method 3: Using the Registry Editor (Manual Change) Warning: Editing the registry incorrectly can damage your Windows installation. Only use this method if the other two fail, and always back up your registry first. Then, to activate the key, type the following
Click Next . Windows will verify the key. If the key is valid, you will see a confirmation message. Click Activate now or later. Note: If the key is not accepted, double-check it for common typos (e.g., confusing the letter B with the number 8, or G with 6). Method 2: Using the Command Prompt (For Advanced Users) If the graphical method fails due to system errors or you prefer a keyboard-driven approach, the Command Prompt is a powerful alternative.
Right-click on cmd.exe in the search results and select Run as administrator . Click Yes on the User Account Control prompt.