Do not use the same file. Do not copy it from a USB drive.

Follow these steps in order. Do not skip the basic ones; 80% of cases are solved by step 1.

Instead, the screen goes black, or flashes a cryptic text prompt, delivering the hollow punch to the gut:

When you see "A critical installation file is missing" accompanied by 0x01 , the system is telling you that the bootloader or the setup environment attempted to call a specific file necessary for the next stage of the install, but the file was either unreadable, not found, or corrupted in memory.

you are trying to install so I can provide specific file names or paths? Troubleshooting installer issues

Sometimes the file is there, but the computer cannot read it correctly due to configuration issues.