Open the downloaded Forge installer and select "Install Client."
If you're posting this on a community like Hypixel, it's worth adding a disclaimer that the mod is "Use at your own risk," as many servers have strict anti-cheat policies regarding clicking modifications.
The file Butterfly-Click-Mod-Forge-1.8.9.jar is a specialized Minecraft mod designed to enhance player performance in 1.8.9 PvP by simulating or enabling higher "Clicks Per Second" (CPS). This specific version is highly popular for competitive environments like Hypixel Bedwars or SkyWars, though it carries significant risks.
If you're a PvPer looking for that extra edge, check out the for Forge 1.8.9. ✨ Features: Optimized for 1.8.9 PvP. Better click registration for butterfly clicking. Lightweight and easy to install.