A new window will pop up. Type your new 25-character product key into the boxes. The product key format is five groups of five characters (e.g., XXXXX-XXXXX-XXXXX-XXXXX-XXXXX). You do not need to type the hyphens; Windows will insert them automatically.

Click the Start button (Windows logo) at the bottom left of your screen.

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.

How To Change Windows 7 Product Key |best| May 2026

A new window will pop up. Type your new 25-character product key into the boxes. The product key format is five groups of five characters (e.g., XXXXX-XXXXX-XXXXX-XXXXX-XXXXX). You do not need to type the hyphens; Windows will insert them automatically.

Click the Start button (Windows logo) at the bottom left of your screen. how to change windows 7 product key

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. A new window will pop up