Welcome to HaxeFlixel! To setup your Windows, Linux or Mac system to start making games, there are three steps:
After that, you have to choose an editor / IDE to work in. Two popular options have their own pages here:
A more comprehensive list of options can be found on haxe.org.
Time to complete this installation is close to 20 minutes (depending on the speed of your Internet connection for downloading the components).
If you need more help, reach out via any of the communication channels.
Note: this guide is a community effort. If you think you can help us improve it, please submit a pull request on GitHub - each page has an "Edit" button in the upper right corner for this.