Creating a new label sheet layout
Click Settings in the bottom left corner of your screen
Next, click Templates
Click the New template... button in the top-right corner
Choose Label sheet
Start by selecting your preferred Page layout, e.g. Avery 5160
Next, choose one a Label layout which matches your needs
Modify the contents of the label by using the menu to insert placeholder values or add a QR code or barcode image
Preview your label and if you're happy with the result, click Update
Click the label name to rename it to something more descriptive
Finish by activating the label