After you collect your Windows 10 Pro Key, you will be presented with your unique Windows 10 pro activation code. After your payment, you can then collect your code from your email. This means that the Retail key will function worldwide.įirst, simply check-out using any of our payment methods (Paypal or Credit Card ). This Windows 10 Pro key is multi-language and region free. Note: If you do not own an installation DVD or USB drive, please download the respective system setup file from the official Microsoft website, HERE.