A downloadable mod

look at the download instructions

Download

Download
v2-vs-bonzi.rar 23 MB

Install instructions

Use 7 Zip or Winrar To Open the rar,

Extract To Rar,

Paste The Folder into Psych Engine Extra Keys  0.5.1 {FNF with extra key support [Friday Night Funkin'] [Mods] (gamebanana.com)

(latest as of 12/27/2021)

playable edition:

download

extract

run the exe