If you’re looking for help with emulation or performance tweaks for the Switch version, I can point you toward legitimate discussion — but
It looks like you’re referencing a filename for a video game: in .NSP format (a Nintendo Switch game package), compressed inside a .rar archive. WWE-2K18-NSP.rar
Let me know what your actual goal is (troubleshooting, performance, converting formats, etc.), and I’ll help cleanly. If you’re looking for help with emulation or