The document provides instructions for building Ring, an open-source programming language, on different platforms including Fedora Linux, MacOS, and using CMake. It describes how to build the Ring compiler/VM, extensions for networking, graphics, databases and more. Directories for each component are listed along with commands to generate source code, build, and install. Platform-specific build instructions are provided for Fedora, MacOS, and using CMake. The document is the Ring documentation for version 1.8 and focuses on building the Ring distribution from source.