Tons of threads with that subject .. Do some research

Bandicam. It's the best one.

For the best qulity i recommend useing fraps,i paid for mine, but you can also crack it
but for the best sound voice recorder you can record your sound with audacity for the best sound
and for putting everything all togther you should use sony vegas wich also can be cracked
audacity is a free program, i leard all this by mayself and that how I do my videos high qulity
if youll need any more help feel free to ask