1. learn Korean alphabet (hangeul)
2. buy a textbook or enroll into korean learning class or find a private tutor
3. learn grammar, vocabulary, common expressions, etc
4. practice, practice, practice.. a lot.. speaking, reading, listening, writing.. all that matters for communication and language comprehension
5. check your skills with Korean test
6. ...
7. PROFIT!!!
dunno what kind of advice to give.. maybe this one - bite small amounts of Korean language and culture, chew it well and do it everyday 2-3 times like your meal ;)