How and where to get some free online space?

hi guys one of my frnd showd me an account where he had 500gigs of online storage space. It was for free as I knew his dad wud nvr alow for such things
My frnd is a Bly Fg B***d. he didnt told me frm where did he got that. can u guys help me out. I googled for it but cudnt find anything.
Sorry for the bad words. I want an account coz my hdd is full. My dad dont allow me to by extarnal HDD. PLz suggest some site name.

I know a 50 Gb one but no 500Gb