Simple Key System

local correctKey = "MySecretKey" -- Change this to your desired key
local scriptToLoad = "print('Key Accepted! Script Executed')" -- Change this to your desired script

local player = game.Players.LocalPlayer
local gui = Instance.new("ScreenGui")
gui.Name = "Key System"
gui.Parent = player.PlayerGui

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 200, 0, 100)
frame.Position = UDim2.new(0.5, -100, 0.5, -50)
frame.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
frame.Parent = gui

local textBox = Instance.new("TextBox")
textBox.Size = UDim2.new(0.8, , , )
textBox.Position = .(, , , )
textBox.PlaceholderText = 
textBox.Text = 
textBox.Parent = frame

 button = .()
button.Size = .(, , , )
button.Position = .(, , , )
button.Text = 
button.Parent = frame

button.MouseButton1Click:(()
     textBox.Text == correctKey 
        gui:()
        (scriptToLoad)()
    
        textBox.Text = 
    
)