Complex sentence: The Sci-Hub project started running on 5 September 2011, created by Alexandra Elbakyan, a software developer and neurotechnology researcher from Kazakhstan, with the goal to increase the spread of knowledge by allowing more people to access what would otherwise be paywalled content.
Split into simpler sentences: The Sci-Hub project started running on 5 September 2011, created by Alexandra Elbakyan, a software developer and neurotechnology researcher from Kazakhstan. Her stated goal was to increase the spread of knowledge by allowing more people to access what would otherwise be paywalled content.