stereo tool

Hi Troops :) I need to pull in the big guns here :) Im running OBS on Win 10 64 Bit and I would like to use 'Stereo Tool' I've been told I need to download the VST2 Plug in and pop it into the OBS VST Folder, which Ive done but OBS cant see it when I try to add a filter, so this tells me I've...