The phrase typically refers to a historical "crack" or unauthorized version of the astrophotography software PixInsight.
You can request a 45-day fully functional trial by filling out the Trial License Request form on their website. This version has no watermarks or disabled features. 2. Key Features in Recent 1.8.x Versions PixInsight 1.8 - E3DDY download
You can request a full, unrestricted 45-day trial on the official trial page to test the software before committing. The phrase typically refers to a historical "crack"