SplineEQ for Windows includes VST3 and CLAP versions of the plugin.

VST3
Copy the complete "SplineEQ.vst3" or "SplineEQ Free.vst3" folder to:

    C:\Program Files\Common Files\VST3

CLAP
Copy "SplineEQ.clap" or "SplineEQ Free.clap" to:

    C:\Program Files\Common Files\CLAP

Administrator permission may be required when copying files into Program Files.
After installation, restart your audio application and ask it to rescan plugins if SplineEQ does not appear automatically.
