Not In The Groove Version 4
NotITG is a fork of OpenITG designed to make it easier for mod file creators to implement their ideas. It aims to preserve compatibility with all existing StepMania 3.95 and In The Groove mod files, and be the definitive environment for creating and enjoying that content.

If you never played the game, or simply want to redownload it:

Download full setup (V4.0.1)

If you already have an existing NotITG or OpenITG installation:

Download Upgrade Pack

Installation instructions :

  1. Download full setup
  2. Unzip in any folder (except Program Files!)
  3. Run NotITG-V4.0.1.exe, in the Program folder