AdminLTE can be downloaded in two different versions, each appealing to different skill levels and use case.

Ready

Compiled and ready to use in production. Download this version if you don't want to customize AdminLTE's LESS files.

Download

Source Code

All files including the compiled CSS. Download this version if you plan on customizing the template. Requires a LESS compiler.

Download
File Hierarchy of the Source Code Package

AdminLTE/
├── dist/
│   ├── CSS/
│   ├── JS
│   ├── img
├── build/
│   ├── less/
│   │   ├── AdminLTE's Less files
│   └── Bootstrap-less/ (Only for reference. No modifications have been made)
│       ├── mixins/
│       ├── variables.less
│       ├── mixins.less
└── plugins/
    ├── All the customized plugins CSS and JS files