Use voice commands to control your device and access voice control settings.
INSTRUCTIONS & INFO
From any screen, touch and hold the Search icon.
Say the desired command such as "Call Eric Fresh mobile", or Find cheap restaurants that are open right now", or "Search funny puppy pictures and videos". Note: For this demonstration, 'Call Eric Fresh mobile' was spoken.
Tap call or say, 'Yes'.
To access Cortana settings, from the home screen, swipe down from the notification bar > ALL SETTINGS > Swipe to applications > Cortana.