The Rise of Nintendo Switch
ROMs, or Read-Only Memory, are digital copies of games that have been ripped from their original cartridges or discs. These copies are then distributed online, often in the form of a single file that can be downloaded and played on a device. In the case of Nintendo Switch games ROM download, these files are typically in the form of a .nsp or .xci file, which can be installed on the Switch console.
Disclaimer
Ryujinx: Currently the gold standard for compatibility and accuracy. It is an open-source emulator that aims to provide excellent performance across Windows, macOS, and Linux.