ROOT YOUR DEVICE BY GOING TO THE FOLLOWING WEBSITE https://kingroot.net ONCE YOU ARE ON THE WEBSITE CLICK ON DOWNLOAD. AFTER THE DOWNLOAD IS COMPLETE OPEN IT CLICK ON INSTALL AND THEN IT SHOULD SAY INSTALL BLOCKED , THEN CLICK ON SETTINGS, NEXT JUST TURN ON UNKNOWN SOURCES AND CLICK ON OK, THEN A MESSAGE SHOULD POP UP THAT SAYS INSTALLATION BLOCKED, FROM THERE CLICK ON MORE DETAILS AND THEN CLICK ON INSTALL ANYWAY (UNSAFE). THEN OPEN IT AND CLICK ON TRY IT AND THEN CLICK ON GET NOW. NOW IT SHOULD START ROOTING YOUR DEVICE. (YOUR DEVICE MAY REBOOT)
SOURCE: https://kingroot.net