Cortana* is your truly personal digital assistant, designed to help you get more done and keep track of your busy life. Ready on day one to provide answers and complete basic tasks, Cortana learns more about you over time to become more useful every day. Count on Cortana to help do and find things, be best at reminders, and work across more of your devices.**
*Cortana available in select markets; experience may vary by region and device.
**Cortana app required for Android and iOS devices (Requires Android version 4.1.2 or higher, or iPhone 4 with iOS 8.0 or higher).