Run it
Copy the script and paste it into your executor.
loadstring(game:HttpGet("https://raw.githubusercontent.com/scriptmirroroffical/My-Script/main/PackOldschoolAnimation.lua"))()Loads code from the internet. It downloads more code when it runs (loadstring + HttpGet), which can change after it was posted. From: raw.githubusercontent.com.
Change your animation pack to Old School Pack. (Cannot patch animation pack in anti-cheat games or games using custom animation packs.)

Universal