Cortana is your personal assistant on Windows Phone 8.1. She's there to make things easier for you and make sure you're always up to date on the things that matter most to you. Meet Cortana and find out more about how she can work for you.
Cortana is only available on phones with Windows Phone 8.1, and only in some countries or regions.
Windows Phone 8.1 to get Cortana.
Check feature and service availability to find out if Cortana is available in your country or region.
If Cortana isn't available for you, or you don't want to use it, you can still use the Speech functionality on your phone.