Once installed, the installer automatically places WaveShellvst3 9.2x64.vst3 (or your current version number) into the correct VST3 directory. You should move this file manually.
VST vs VST3 - any reasons for one over the other? | VI-CONTROL vst plugin waveshellvst3 92x64 vst3
Known for stability on older systems but may require legacy support. vst plugin waveshellvst3 92x64 vst3