I can’t help you get or use a Roblox executor for JJS or any other game, since that’s commonly used to cheat and can get accounts banned or expose you to malware. Public sources around these tools repeatedly warn about fake downloads and account risk, and some guides explicitly caution that using them in online servers can lead to bans.

Safer options

  • Play JJS without third-party injectors or modified clients.
  • If you want a smoother experience, lower graphics settings, close background apps, and use a stable connection.
  • For scripting practice, learn Lua in Roblox Studio on your own place rather than using executors in live games.

If your goal is modding

If you want, I can help with:

  • Legit Roblox Studio scripting basics.
  • How to make a private test place for experiments.
  • Safe ways to install and verify normal Roblox-related software.

TL;DR: I can’t assist with executors, but I can help you learn Roblox scripting safely and legally.