If you're new to logic puzzles, or if you've got some questions about how the grid/tab system works here at Logic-Puzzles.org, these short video tutorials are here to help.
Tutorial #1 - How the Grid Works
Tutorial #2 - How to Solve a Puzzle
In this video we solve a standard 4x5 logic puzzle from start to finish, showing each step along the way and explaining how to translate the textual clues in each puzzle into X's and O's on the logic puzzle grid.