Fossils-
List of human evolution fossils - Wikipedia
I dont know how it looked like, we dont have the fossils yet but we`re sure of it because of DNA evidence. FOr more information, read Finding Darwin`s God by Ken Miller or watch this-https://
www.youtube.com/watch?v=m_c3CkSmT3c
and this-https://
www.youtube.com/watch?v=Ohd5uqzlwsU
Read Douglas Theobald`s peer reviewed article on Nature. You can find other amazing books too and peer reviewed articles. Read the chapter on fossils in Dawkins` the greatest show on earth.
We have lots of fossils, the most recent being tiktaalik which is the perfect representative of the evolutionary transition fromfish to amphibians. This animal is really half-fish half-amphibian. We have other fossils which shows human evolution like homo erectus,Australopithecus etc. Just look, the evidence is there to see