This bundle contains all necessary **external** packages, classes, TeX and LaTeX files together. You can consider to use all these packages for avoid version conflicts of some external packages or classes. Just import all `*.cls`, `*.sty` and `*.tex` files to your TeX / LaTeX application or editor. Make sure all of your `.cls`, `.sty` and `.tex` files in same directory. Alternatively you can edit package and class sources if you want to use different folders