Some apps have also begun including Windows Hello integration, a step in the secure direction. Windows Hello is a biometric security system that uses facial recognition or a fingerprint scan to log you into Windows 10 and authenticate Store purchases. It will set reminders, give information, and help you write text messages and emails - it also knows a joke or two. These core features really make Windows 10 what it is and can generally be found in most versions of Windows (although some regions prohibit certain features).Ĭortana is Microsoft's version of a digital assistant.