Here is a great set of tutorials created by Vectric. They are a great way to help you become more familiar with Cut2D-Laser.
IMPORTANT: These tutorials are designed for Cut2D, not specifically Cut2D-Laser. Although the general functionality between the two programs is similar, Cut2D-Laser does not include the tool-database and various toolpathing options needed for general CNC routing work. They are not needed for laser machines.
Use these tutorials as a method with becoming familiar with the overall operation and possibilities of the software.
All Tutorials: Tutorials
A must for beginners: Interface Guide
Note: These are also available to you when you install your copy of Cut2D-Laser.