You have a computer that runs Windows 7. You attempt to add files to %programfiles%\app1 and receive a prompt to elevate your privileges. You need to ensure that you can add files to %programfiles%\app1 without receiving a prompt for elevated privileges. The solution must prevent harmful applications from making unwanted changed to the system. What should you do?

A.
Enable the built-in administrator account.

B.
Modify the User Account Control (UAC) settings.

C.
Add your user account to the local Power Users group.

D.
Modify the permissions of the %programfiles%\app1 folder.