To learn how to build a Pre-Order, before converting the order takes place, see Place a Pre-Order.
1. From the Orders Overview, select the Pre-Order
2. To fill the Product, click Select Inventory in the From ID# column per line item
2. Select from the inventory that is available to fill the order
Use the filters or search bar to locate your inventory
Clicking All will automatically apply the amount to fill the Product
3. Once the inventory is selected, click Create # Line-Items
4. Convert the items by clicking Convert/Sublot and Pack All Items
Now you can proceed with the order as normal. Wasn't that easy?!