Get help, answers, suggestions, recommendations, reminders and much more from Cortana, the new personal assistant from Windows 8.1. With permission, Cortana keeps a notebook of things about you to keep track of your interests so she can learn and anticipate to give you tailored recommendations and suggestions.
From the Start screen, swipe left to display the Apps list. Alternatively, tap All apps (located in the lower-right; may require scrolling).
From the Ready to get started screen, tap yes.
Type in your name then press the right arrow .
Tap play to hear how Cortana says your name then tap sounds good.
The next page advises you to tap the Notebook icon (located at upper-right corner) for more options.