Hello everyone i am new here ,i don;t know much about computers and need some help.

hi i have bought a new smartphone Huawei Y3II (LUA-U22) Also known as Huawei Y3, here's the link to the phone specifications and i want to root this phone. But i am very scared, please help me to how to root? and unroot? process for this phone. below are some technical details which might help you guys..

Model:Huawei Y3II (LUA-U22)
Android version: 5.1
Build number:LUA-U22C328B005
Kernel version:3.10.72+

sorry for my bad english
regards,
Mak