What is Cortana? This is the Windows phone version of Apple’s Siri. Cortana is available on the new Windows based smartphones that come with Windows 8.1 update. Like Siri, Cortana will ask about your interests, what things you like to do, ect… One key feature of Cortana is that it has the ability to know your name and pronounce it appropriately as it will try to pronounce it, you have the ability to speak it and Cortana will do its best to match your pronunciation. Cortana is launched by tapping the Notebook icon at the top of the screen. You can type or speak your questions.