Below is a blog-style guide designed to help users understand what these files are, how to handle them, and how to fix common errors associated with multi-part archives. 🛠️ Handling Forza Motorsport 7 Multi-Part RAR Files
Before you finish extracting, make sure your PC is ready for the track:
Delete part06.rar specifically and re-download just that segment. You don't need to re-download the whole game.