You could use a BlackBerry 10 Simulator. Or if you need to use a real device you can do this using an HDMI capture card on the computer. You can then plug the HDMI output on the BlackBerry Z10 into your computer.
Mark Sohm BlackBerry Development Advisor
Please refrain from posting new questions in solved threads. Problem solved? Click the Accept As Solution button. Found a bug? Report it using Issue Tracker