Download a Roblox Script Executor (make sure it is virus-free). Open the game by clicking here. Start the Script Executor while you are in the game. Copy-paste the working scripts to start using them.

'[-] cmdbar is shown when ; is pressed.', '[1] kill [plr] -- You need a tool! Will kill the player, use rkill to kill you and player', '[2] bring [plr] -- You need a tool! Will bring player to you', ' ...