Since Galaxy relies on motion controls, mention how to map a controller's gyro or use a mouse to simulate the Wii pointer.
You'll need the latest version of Yuzu (or a fork like Suyu, as Yuzu development officially ceased in 2024). Super Mario 3D All-Stars Free Download With Yuz...
To run the game legally and smoothly, you need the prod.keys and title.keys from your own Nintendo Switch, along with the game's .xci or .nsp file. Since Galaxy relies on motion controls, mention how
Be careful with "Free Download" sites for game ROMs, as they are often packed with malware. It’s always safer to rip the files from your own physical copy if possible. Be careful with "Free Download" sites for game
It sounds like you're looking into playing on the Yuzu emulator. Since that collection was a limited-time release, emulation is a popular way to keep those classics alive.
3D All-Stars generally runs well, but users often look for "60 FPS mods" for Super Mario Sunshine or resolution scalers to see Mario Galaxy in 4K.