Default [Q] TV BOX B351 android B351 rk31sdk

Hi can anyone please help with this Tv Box Quad-Core-Android-4-2-Rockchip-RK3188-Mini-PC-Smart- tv box works great the problem is some software need this box to be rooted i no how to connect to a pc shows up as a drive with folders here is the spec

* Android Device Brand rk31sdk
* Android Device Name PC Smart TV BOX Media Player
* Android Device Model B351 rk31sdk
* Android Version 4.2
* Build Number rk31sdk-eng 4.22 JDQ39/eng.linking.20140114.142223eng/test-keys