: You only need to right-click part01 (or the first file in the sequence) and select "Extract Here" using a program like WinRAR or 7-Zip . The software will automatically pull data from part 5 and all other segments to recreate the original game folder or ISO. Context and Installation

: Once extracted, these versions often require enabling Developer Mode in Windows settings and running a registration script (like UWP_Helper.bat or AppxManifest.xml ) to make the game appear in your Start Menu.

The file is typically one segment of a multi-part compressed archive used for distributing the PC version of Forza Horizon 3 . Because the game files are roughly 55–60 GB , they are often split into smaller parts (e.g., 2 GB or 5 GB each) to make downloading more manageable and less prone to total failure if a connection drops. Understanding Multi-Part RAR Files