Windows 10 Professional Permanent License (Retail)

If you haven't installed Windows System: Download link: https://www.microsoft.com/software-download/windows10 Download the installation kit media creation tool on a bootable device like dvd or USB stick. ***The Retail license CAN be used to activate both Pro and Home version of Windows 10*** ***You can use the license directly upgrade your Windows 10 Home to Pro version!*** After Windows installation: 1. Go to "Settings'' 2. Find "Activation" 3. Select "Activate" or "Change Product Key" 4. Insert the purchased key 5. Windows 10 Pro is operational If you see any error, simply restart the PC and check the activation status again, it should shows activated. If not, kindly contact the customer support. We'll help you activate 100%! We're the only one offer【Lifetime Free Support】!