"Make a leaderboard that saves the amount of wins when you step part"

-- server script for leaderboard (ServerScriptService) 
local DataStoreService = game:GetService("DataStoreService")
local WinsDataStore = DataStoreService:GetDataStore("WinsData")

game.Players.PlayerAdded:Connect(function(player)
    local leaderstats = Instance.new("Folder")
    leaderstats.Name = "leaderstats"
    leaderstats.Parent = player

local wins = Instance.new("IntValue")
    wins.Name = "Wins"
    wins.Parent = leaderstats

local data
    local success, err = pcall(function()
        data = WinsDataStore:GetAsync(player.UserId)
    end)

if success and data then
        wins.Value = data
    else
        wins.Value = 0
    end
end)

game.Players.PlayerRemoving:Connect(function(player)
    local wins = player.leaderstats.Wins.Value

local success, err = pcall(function()
        WinsDataStore:SetAsync(player.UserId, wins)
    end)

if not success then
        warn("Failed to save wins for player: " .. player.Name)
    end
end)

-- server script for part (Workspace) 
local part = script.Parent

local function onTouched(otherPart)
    local player = game.Players:FindFirstChild(otherPart.Parent.Name)
    if player then
        player.leaderstats.Wins.Value = player.leaderstats.Wins.Value + 1
    end
end

part.Touched:Connect(onTouched)