(UPDATE - Ravenwilder and I have teamed up as Artbuddies. You can follow my progress with learning art here.)
Proceed down the playlists numerically, practice alongside as and when relevant. These will work even if you are a complete beginner and have never drawn before. If you can write the alphabet, you have enough physical skill to do this. Even if you are an experienced hobbyist artist, it would be best to not skip any of them, especially the first 2 playlists.
PART 1 - Drawing
1. Drawing methods - How people draw, what to do and what to avoid.
2. Composition for Artists - How to make an appealing layout, art basics for creating good