What is the best and cheapest way to upgrade an Acer Aspire 3 A315-51-31GK 15.6' laptop Computer that is Black, has an Intel Core i3-7100U processor at 2.4GHz, Microsoft Windows 10 Home,
Arch Memory Replacement for Acer 8GB 260-Pin DDR4 2400MHz So-dimm RAM for Aspire 3 A315-21-95KF