Fariya Network TP Link Router Help

Salam 2 all bros..
today I am going to buy a tp link TL WR740N router for my Fariya Network ..
mjhe yeh janna hai k router setting krne k bad kia hum sharing (Portal) use kr skte hai computer me aur mobile me wifi k zariye ??? aur kia kisi ko FAriya ki ROuter Setting krna aati hai kyukh service porvider 300 changes mang raha hai
:D ...help me..I will wait 4 the answer.