However, the question is not can you, but should you? Infernax is a love letter to a dying genre. It costs less than a pizza and a beer. The developers actively listen to the community (they patched in an easy mode for casual fans).
Noob here - How do I install a game on Ryujinx just off of a NSP file? Infernax-nsp.rar
This is the most critical section. While this article explains how to handle files, you must understand the law. However, the question is not can you, but should you