Close your DAW. Delete your DAW’s plugin cache (varies by software) and rescan. In Ableton Live, hold Alt while clicking "Rescan Plugins."
Whether you purchased a single plugin (like Renaissance Reverb) or the massive Mercury bundle, the download process is identical. Follow these steps carefully. download waves plugins
You download the plugin once and own it forever, but you only get one year of updates. After that, if you upgrade your OS, you may need to pay a "Waves Update Plan" (WUP) fee to download a compatible version. Close your DAW