Android OS is designed with flexibility and security in mind. Therefore some features are not readily available in the default OS. Major manufacturers also create their own custom UI (User Interface) that works on top of the Android OS. For some people, the need to have certain features are important. Thus, rooting was born.
Rooting your Android basically means installing another OS into the hardware. It is not easy, because it was never designed to have interchangeable OS. If found one guide you can use if you want to root your Android, Digital Trends “How to root your Android phone or tablet“. The guide discuss the pros and cons of rooting, as well as steps to root your Android tablet. If you are interested in rooting or using custom ROM, then go ahead and read the guide.