need to make complete social site

Hi every one 

i am new to elgg i want to do complete one socail network site which should have all the required  fields like blog,forum, vedio, photos,messages,chat,... so can any one help regarding this how to do like i am using version 1.8 but i am not able to get things work properly so i should use pervious version to get all the thing work or wait for latest version or latest 1.8 plugins

pls any one help me regarding this

thanks