Roblox has a default frame rate of 60 frames per second, which is smooth, but it can feel smoother with the Roblox FPS Unlocker.

Some other executors include: krnl, Fluxus, Script-Ware, Script-Ware M, and Synapse. Once the download is complete, install the Roblox Executor and open and log into it using your Roblox account.

If KRNL-Injector failed to find the Roblox process, delete KRNL App data and see. If that doesn't help follow the solutions mentioned in this post to resolve the issue.

Although several Script Executors are available online, only a few are viable and good to use. To help players, we’ve put together a list comprising the best Roblox Script Executors.