If you wanted to create a disc that wold never need to be altered an would be compatible with the most system what type of disc would you use and why?

To create a disc that would never need to be altered and be compatible with the most systems, I would use a standard DVD or Blu-ray disc. These formats are widely supported across various devices, including DVD players, gaming consoles, and computers. Additionally, they offer a good balance of storage capacity and durability, making them suitable for long-term data preservation. Using a universal file format like ISO would further enhance compatibility across different operating systems.