win7

Ok so I'm having this problem and I don't know how to fix it How do I get the 4.93 GB usable Problem Solved

Hi Everybody i'm Ayoub from Morocco i studied Computer science , it's my second year , i learned programming with language such as (c++ , c , PHP , Js , HTML , Css , Jquery ..) moreover to operating system (Linux..) , I have some talent : Guitar , swimming , dance .. etc . and i'm youtuber...