Ren'Py 6.12.1 "Human Factor"

was released on May 02, 2011. The main downloads of Ren'Py 6.12.1 are:

You only need to download one of these three files. Each contains the full Ren'Py software development kit, with everything needed to develop Ren'Py games for Windows XP and up, Mac OS X 10.6 and up, and Linux x86. The development environment contains the files needed to produce games for all three platforms, the Ren'Py tutorial, and "The Question", an example game.

Android. To package a Ren'Py game for Android, please use RAPT - the Ren'Py Android Packaging Tool. RAPT can be downloaded here, and is documented in the Ren'Py Documentation.

Ren'Py is free to download and use for commercial and non-commercial purposes. It may be modified and distributed under the terms of its license.

Java Requirement. Java is required to run the jEdit text editor. If it's not installed on your computer, you'll need to download it from java.com. Java is not required to run Ren'Py, only to develop with it.