Select Items by Item Name, Not Item Number
Customise Easy Setup Assistant > Select the way accounts, items and cards are chosen > Select Items by Item Name, Not Item Number

Mark this selection if you wish to select items by their descriptive names.

If you mark this selection, you can enter item names in the Sales window and Purchases window when you're creating item invoices and item purchase orders. In addition, when you display a search list of items at any time, the items will be listed in alphabetical order.

If you don't mark this selection, you can enter item numbers in the Sales window and Purchases window when you're creating item invoices and purchase orders. Search lists of items will be listed in numerical order.