If you need help setting this up, please see the Getting Started article.
We recomend you use Haxelib with the following command:
haxelib install flixel
To download the latest stable code use master branch, or this link to the zip:
We also recommend users inspect the demos to see Flixel features in use.
For advanced developers, the source code is available and open for contributions on GitHub, bleeding edge code is on the dev branch.