1. If you're on macOS, try the [macOS development guide](https://meta.discourse.org/t/beginners-guide-to-install-discourse-on-macos-for-development/15772).
1. If you're on Ubuntu, try the [Ubuntu development guide](https://meta.discourse.org/t/beginners-guide-to-install-discourse-on-ubuntu-for-development/14727).
1. If you're on Windows, try the [Windows 10 development guide](https://meta.discourse.org/t/beginners-guide-to-install-discourse-on-windows-10-for-development/75149).
If you're familiar with how Rails works and are comfortable setting up your own environment, you can also try out the [**Discourse Advanced Developer Guide**](docs/DEVELOPER-ADVANCED.md), which is aimed primarily at Ubuntu and macOS environments.
Before you get started, ensure you have the following minimum versions: [Ruby 2.7+](https://www.ruby-lang.org/en/downloads/), [PostgreSQL 13+](https://www.postgresql.org/download/), [Redis 6.2+](https://redis.io/download). If you're having trouble, please see our [**TROUBLESHOOTING GUIDE**](docs/TROUBLESHOOTING.md) first!
3. Dig into [**CONTRIBUTING.MD**](CONTRIBUTING.md), which covers submitting bugs, requesting new features, preparing your code for a pull request, etc.
We take security very seriously at Discourse; all our code is 100% open source and peer reviewed. Please read [our security guide](https://github.com/discourse/discourse/blob/main/docs/SECURITY.md) for an overview of security measures in Discourse, or if you wish to report a security issue.
The original Discourse code contributors can be found in [**AUTHORS.MD**](docs/AUTHORS.md). For a complete list of the many individuals that contributed to the design and implementation of Discourse, please refer to [the official Discourse blog](https://blog.discourse.org/2013/02/the-discourse-team/) and [GitHub's list of contributors](https://github.com/discourse/discourse/contributors).
To guide our ongoing effort to build accessible software we follow the [W3C’s Web Content Accessibility Guidelines (WCAG)](https://www.w3.org/TR/WCAG21/). If you'd like to report an accessibility issue that makes it difficult for you to use Discourse, email accessibility@discourse.org. For more information visit [discourse.org/accessibility](https://discourse.org/accessibility).