# rAthena        > rAthena is a collaborative software development project revolving around the creation of a robust massively multiplayer online role playing game (MMORPG) server package. Written in C++, the program is very versatile and provides NPCs, warps and modifications. The project is jointly managed by a group of volunteers located around the world as well as a tremendous community providing QA and support. rAthena is a continuation of the eAthena project. [Forum](https://rathena.org/board)|[Discord](https://rathena.org/discord)|[Wiki](https://github.com/rathena/rathena/wiki)|[FluxCP](https://github.com/rathena/FluxCP)|[Crowdfunding](https://rathena.org/board/crowdfunding/)|[Fork and Pull Request Q&A](https://rathena.org/board/topic/86913-pull-request-qa/) --------|--------|--------|--------|--------|-------- ### Table of Contents 1. [Prerequisites](#1-prerequisites) 2. [Installation](#2-installation) 3. [Troubleshooting](#3-troubleshooting) 4. [More Documentation](#4-more-documentation) 5. [How to Contribute](#5-how-to-contribute) 6. [License](#6-license) ## 1. Prerequisites Before installing rAthena there are certain tools and applications you will need which differs between the varying operating systems available. ### Hardware Hardware Type | Minimum | Recommended ------|------|------ CPU | 1 Core | 2 Cores RAM | 1 GB | 2 GB Disk Space | 300 MB | 500 MB ### Operating System & Preferred Compiler Operating System | Compiler ------|------ Linux | [gcc-6 or newer](https://www.gnu.org/software/gcc/gcc-6/) / [Make](https://www.gnu.org/software/make/) Windows | [MS Visual Studio 2017 or newer](https://www.visualstudio.com/downloads/) ### Required Applications Application | Name ------|------ Database | [MySQL 5 or newer](https://www.mysql.com/downloads/) / [MariaDB 5 or newer](https://downloads.mariadb.org/) Git | [Windows](https://gitforwindows.org/) / [Linux](https://git-scm.com/download/linux) ### Optional Applications Application | Name ------|------ Database | [MySQL Workbench 5 or newer](http://www.mysql.com/downloads/workbench/) ## 2. Installation ### Full Installation Instructions * [Windows](https://github.com/rathena/rathena/wiki/Install-on-Windows) * [CentOS](https://github.com/rathena/rathena/wiki/Install-on-Centos) * [Debian](https://github.com/rathena/rathena/wiki/Install-on-Debian) * [FreeBSD](https://github.com/rathena/rathena/wiki/Install-on-FreeBSD) ## 3. Troubleshooting If you're having problems with starting your server, the first thing you should do is check what's happening on your consoles. More often that not, all support issues can be solved simply by looking at the error messages given. Check out the [wiki](https://github.com/rathena/rathena/wiki) or [forums](https://rathena.org/forum) if you need more support on troubleshooting. ## 4. More Documentation rAthena has a large collection of help files and sample NPC scripts located in the /doc/ directory. These include detailed explanations of NPC script commands, atcommands (@), group permissions, item bonuses, and packet structures, among many other topics. We recommend that all users take the time to look over this directory before asking for assistance elsewhere. ## 5. How to Contribute Details on how to contribute to rAthena can be found in [CONTRIBUTING.md](https://github.com/rathena/rathena/blob/master/.github/CONTRIBUTING.md)! ## 6. License Copyright (c) rAthena Development Team - Licensed under [GNU General Public License v3.0](https://github.com/rathena/rathena/blob/master/LICENSE)