Scriptum/Assets/Scripts/SaveSystem.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;

public static class SaveSystem
{
    public static string GetSavePath(string SubFolder = null)
    {
        if(SubFolder != null)
            return Application.persistentDataPath + "/" + SubFolder;
        
        return Application.persistentDataPath;
    }
}