Waves releases a new major version (V12, V13, V14, V15) almost every year. If you are specifically looking for , it is likely because you are running an older operating system (like Windows 7 or 10) or a specific DAW version that is stable with that release.
Go to Options > File Settings > Manage Plugins. Check "Verify Plugins" and "Rescan previously verified plugins." Vst Plugin Waveshell1-vst3 11.0-x64 -vst3-
This indicates the version (Waves V11) and the architecture (64-bit). Waves releases a new major version (V12, V13,
