Get the latest version of DeSmuME from the official site . Extract: Use a tool like 7-Zip to unzip the emulator files.
To run the ISO on original hardware, you must use a flashcard (like an R4 card) or a modded console. Hike Isle Gameplay | Nintendo Switch ds-hikeisle.iso
The file appears to be a disc image (ISO) for Hike Isle , a relaxing walking simulator originally released for platforms like the Nintendo Switch. While the game is widely known for its Switch and PC versions, "ds-hikeisle.iso" typically refers to an unofficial or homebrew port designed to be played on Nintendo DS hardware or emulators. 1. Play on PC (Emulator) Get the latest version of DeSmuME from the official site