Hi. Im from Slovenia and i want to buy laptop from one of Slovenian store. But i have one question about this Lenovo laptop: Lenovo IdeaPad 320 i3-7020U/4GB/SSD256GB/15,6FHD/FreeDOS (81DE00JMSC). It says that laptop has 4GB RAM. But can i add another 4GB RAM or do i have to replace 4GB RAM with 8GB RAM. If this is in any help here is the link of computer: https://www.mimovrste.com/multimedi...d-320-a6-92204gbssd-25617hdfreedos-80xw001ksc