With Windows 10 home, you'll always have the latest features and security. Experience faster start ups, a familiar yet expanded start menu, and great new ways to get stuff done. Windows mixed reality requires a compatible Windows 10 PC and headset; PC Requirements may vary for available apps and content. PC hardware Requirements may vary for games on Windows 10. Games sold separately. 4K functionality available with supported games, monitors, and graphics chips. Director 12 only available with supported games and graphics chips. Check PC to determine graphics chip compatibility. Windows hello biometrics require specialized hardware, including fingerprint reader, illuminated IR sensor or other biometric sensors and capable devices.
Depending on how you got your copy of Windows 10, you'll need either a 25 character product key or a digital license to activate it. A digital license (called a digital entitlement in Windows 10, Version 1511) is a method of activation in Windows 10 that doesn't require you to enter a product key. Without one of these, you won't be able to activate your device.