Ape-like, hairy primates called Dryopithecus and Ramapithecus existed 15 mya.
Australopithecus existed 2 mya. They used stone weapons to hunt.
Then came the first human-like hominid called Homo habilis who had brain capacities of 650-800 cc.
Homo erectus existed 1.5 mya. They had a larger brain (900 ccs) and ate meat.
Neanderthals lived 1-0.4 mya. They used hides to protect their bodies.
The modern man i.e Homo sapiens came into existance 0.75-0.1 mya.