V15 has officially dropped VST2 support. Installing V15 will typically remove existing VST2 versions of Waves plugins from your system. Waves Community Forum Security Risks of "Cracked" Releases
As the installation finished, Leo held his breath. He opened his DAW, scanned the VST folder, and there they were: hundreds of high-end compressors, limiters, and EQs, glowing like digital jewels. No activation pop-ups. No "trial expired" warnings. Just pure, unadulterated signal processing. Overview V15 has officially dropped VST2 support
If you need help with legal alternatives, I can: scanned the VST folder