This system function can be used in most games. You can click F to pick up items. Press Tab to open the backpack bar and view the item. When the mouse is over the item, you can see the item's name, basic information, pictures and related effects. The backpack is divided into different fields according to different types of items. You can use the mouse to drag the items in the backpack system and drag them to the warehouse field. When items are dragged from the warehouse field to the backpack, you can click the automatic sorting button above to sort and store the items by category. Drag the items to the trash can icon in the middle to discard them. The discarded items will appear in the scene in the form of garbage bags, and the garbage bags can be picked up again to retrieve related items.

https://youtu.be/0ixV08NkUew