This is an introductory course for new and current users of molecular simulation software developed at Daresbury Laboratory given by the principal developers of these packages. The course will give an overview of the scientific capabilities of the DL_POLY, DL_FIELD and DL_MESO packages by describing the used input and output files in detail. It will outline the performance and scaling of the different packages and give the attendees the opportunity to install and run their own copies of the software. Finally, it will offer a hands-on sessions where the attendees could put their new gained knowledge into practice and give them the opportunity to interact with the authors.