Bottom line

Roblox's anti-cheat updates have made it significantly harder for many executors to function, leading to frequent crashes or "patches" that render the tools useless for weeks at a time.

Unlike standard "ClientSide" executors (like Fluxus or Solara), ServerSide executors offer specific features that target the game's server:

: A "keyless" executor marketed as a free tool for running scripts, though users should be cautious of its stability and potential detection.