Most blog posts regarding the Black Box repack highlight these core details:
Since repacks use high compression, blog posts often suggest the following to ensure a successful installation:
The most authoritative forum for technical Steam-based game files and repack troubleshooting.
Even though it is a "repack," the hardware requirements remain the same as the retail Definitive Edition: OS: Windows 7 64-bit or higher. DirectX: Version 11. RAM: At least 4GB (8GB recommended). Troubleshooting Tips
If the installation fails at a certain percentage, it is usually due to a corrupted download. Many sites suggest using a "Check Files" tool if provided by the uploader [1]. Where to Find Discussions
Ensure you have updated versions of DirectX and Visual C++ Redistributable packages (2010, 2012, and 2013), as missing DLLs are the most common cause of the game failing to launch [2, 3].
If you are looking for help with this specific version of the game, here are the most useful types of resources and common tips found across gaming blogs and forums: Technical Requirements & Features