The x64 designation is non-negotiable for modern production. Most DAWs today (Pro Tools 2024, Cubase 13, Ableton Live 12, Logic Pro, Studio One 6) run exclusively in 64-bit mode.
What 64-bit gives you:
Symptom: The shell is visible, but the plugin window won't open. Solution: V9.91 VST3 version has issues with newer graphics frameworks. Vst Plugin Waveshell-vst3 9.91-x64 -vst3-
Component: Waveshell-vst3 9.91-x64.vst3
Version: 9.91
Format: VST3 (Virtual Studio Technology 3)
Architecture: 64-bit (x86_64) Component: Waveshell-vst3 9