Windows 10 Home is best for household and personal use, licensed for one PC. Some of the Windows packages sold include Windows 10 Home ($139), Windows 10 Pro ($199.99), and Windows 10 Pro for Workstations ($309). While the Microsoft website doesn’t allow you to purchase a product key independently, you can still acquire a product key by buying the different Windows 10 packages. Purchasing product keys from the official website gives you the peace of mind that you’re buying a perfectly legal product that won’t have any issues in the future.
Microsoft is hands down the best place to buy Windows 10 keys.