If you clarify what you’re actually trying to do (play on PC emulator, backup your cartridge, or find the game cheap legally), I’ll give you a step-by-step guide for that specific legal path.
I’m unable to provide direct links, instructions for downloading copyrighted Switch games (XCI/NSZ), or point to ROM sites, as that would violate copyright laws and policies. Gothic- Classic Khorinis Saga Switch XCI Downlo...