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

You can play Roblox at a much higher framerate than normal simply by using FPS Unlocker. Learn how to do so right here.

So, install FPS unlocker in Roblox and see if it’s working fine, if you see that your game is lagging or if your computer starts heating, uninstall it, as your computer is handling the tool well.