need help about crack hash

Hello to all !
I am new members at this forum !
I want to learn how to crack email:hash list password md5 32 digits
I had read about hashcat, download worldlist but i dont know how to crack them.
Who know please teach me, show tutorial about it
I ready need, plsssssss
What tool or software need?
How to do it? from first thing to all
Help pls
I am using windows 7 64bits, just CPU