The specific string 140x64 is not random. It denotes a specific build number that bridges the gap between legacy compatibility and modern high-performance computing.
Inside many Waves plugins (like the L2 or J37), there is an option called "Reconstruction" or "Analog" mode. In the 140x64 shell, these modes use oversampling. Enable them only on the master bus. Using them on every track will decimate your CPU. vst plugin waveshell1vst3 140x64 vst3 high quality
Do not try to copy the .vst3 file from an old hard drive. The "140x64" shell is installed via Waves Central (Version 14.0 or higher). The specific string 140x64 is not random