Are you 100% sure that you did exactly as the tutorial says? And are you 100% sure your friend did too?
PC Specs
CPU: AMD Ryzen 5 1500X 3.5GHz
GPU: Nvidia GTX 1060 6GB
RAM: 8GB 2400MHz DDR4
OS: Windows 10 64-Bit
CPU: AMD Ryzen 5 1500X 3.5GHz
GPU: Nvidia GTX 1060 6GB
RAM: 8GB 2400MHz DDR4
OS: Windows 10 64-Bit