Roblox utilizes Hyperion anti-tamper software to detect unauthorized code. Being caught can lead to permanent account, IP, or even hardware bans. ⚡ Better Ways to Play

Downloadable executors or scripts can contain keyloggers or other harmful "badware" that compromises your computer.

If you are interested in your own games or legitimate scripts, the Roblox Developer Forum is a great place to start. How to set up a secure account to avoid being hacked? Cheating and Exploiting - Roblox Support