Android root is one of the interesting things which allow you to break the barrier of android operating system. We know android operating system has lots of barrier and pre-defined apps which make our system slower. sometimes pre-defined apps occupy maximum ram and system space of our device. So , in that case if we want to get relief from this then we have to do root our device.Android root will allow you to remove unwanted apps and help you to bypass os barrier.
How to root?
Root is very easy just you have to take backup your device and then install any root apps and follow their instruction.
How can i get root apps?
Root apps aren't available in the playstore because it does not comply with playstore policy. So, if you want to download and install root apps in your device then u have to collect it from outside of playstore. I can suggest you few great root apps and download link.
Kingroot; Kingroot is one of the oldest root app which has been working since 2013.
Download this: https://androidblue.com/kingroot-apk/

iRoot; This app has good accuracy and good security system. you can try iRoot from downloading below site. rootappz provides the all official root apk file and tools in one platform.
https://rootappz.com/iroot-apk-download-for-android/