Microsoft Windows does not use a standalone .sf2 file out of the box. Instead, it embeds its soundfont inside a system driver. This is why finding the "Windows Default Soundfont" requires a bit of detective work.
The synth is famously used in Porter Robinson's "Sad Machine" for its specific lead sound. windows default soundfont
The core file is located in the Windows system folder (typically C:\Windows\System32\drivers\gm.dls ). Microsoft Windows does not use a standalone