What should you do?

Your network contains a single Active Directory domain. The domain contains a computer that runs Windows 10.

You plan to use the computer to test applications.

You need to install Windows Insider Preview builds on the computer.

What should you do?
A . From Group Policy, configure the Add features to Windows 10 settings.
B . From theSettings app, configure the Advanced options for Windows Update.
C . From Group Policy, configure the Windows Update settings.
D . From the Settings app, select Developer mode.

Answer: B

Explanation:

http://www.howtogeek.com/224826/how-to-become-a-windows-insider-and-test-new-windows-10-features/