Go to the Mail application > New Account > Other (POP3/IMAP).
Put in your hotmail email and password > Protocol is POP.
Pop server is pop3.live.com > Security type is SSL > Server port is 995.
Click login required > Username and password is your hotmail email and password.
SMTP server is smtp.live.com > Security type is TLS > Server port is 25.
Pick an account name and put in your name > all done