You definitely need to crawl before you can walk
1) Learn how to read Hebrew. Learn the dikduk, grammar, vowels, etc. Study both Biblical and Mishnaic Hebrew.
2) Learn how to read Chumash with trope marks. Incorporate Onkelos. Learn Tanach, as well.
3) Learn Mishna.
4) After getting down the ability to read Hebrew and after learning a good command of vocabulary for Chumash and Mishna, find a teacher who will help you with Aramaic for Gemara study.
5) Learn how to learn gemara.
6) Start learning Rashi script and approach Rashi on Shas. After Rashi, incorporate Tosafot.
You should be able to accomplish the above with diligence, hard work, good teachers, and at least 10 years or so of study.