Old+soundfonts+work
Many original SoundFont players from the early 2000s were 32-bit. Modern DAWs are 64-bit. If your player isn't loading, you likely need a "bridge" like jBridge or, better yet, a modern 64-bit player like Sforzando.
The .sf2 standard is open enough that developers have kept players updated for decades. How to Use Old SoundFonts Today old+soundfonts+work
The "General MIDI" sound of the 90s is a specific aesthetic currently trending in lo-fi and synthwave. Many original SoundFont players from the early 2000s