How to use tp link N300 wifi range extender

Hello friends Tp link n 300 ek wifi range extender .hum ghar me wifi use Karte hai Uski range humare pure ghar me nahi rahte hai to us range Ko Increase Karne k liye hum ye device lagate hai Amazon se Maine ye device 1399 rupees ka liya tha TP-Link TL-WA850RE N300 Wireless Range Extender, Broadband/Wi-Fi Extender, Wi-Fi Booster/Hotspot with 1 Ethernet Port, Plug and Play, Built-in Access Point Mode https://www.amazon.in/dp/B00A0VCJPI/ref=cm_sw_r_apan_glt_i_AFM1S0Y16R79JQMVV2S5