Many "free" scripts found on forums or YouTube contain malware or account stealers that can compromise your personal data.
To use these, players typically use a script executor (like SimpleSpy for debugging) to inject the code into the running Roblox client. Key Risks and Warnings Very Easy Parkour Obby Instant Finish Script
Roblox uses anti-cheat systems to detect "teleport hacks." Using an instant finish script is often an easy way to get flagged and permanently banned. Many "free" scripts found on forums or YouTube
Instant finish scripts typically function by manipulating your character's position or interacting with game "RemoteEvents": Very Easy Parkour Obby Instant Finish Script