Contact the store you purcased from..
UPload you label to Selltec
You can Print to PDF
or You Can Screen Shot the label using one of these Addons
https://chrome.google.com/webstore/detail/nimbus-screenshot-and-scr/bpconcjcammlapcogcnnelfmaeghhagj?hl=en
https://chrome.google.com/webstore/detail/awesome-screenshot-screen/nlipoenfbbikpbjkfpfillcgkoblgpmj?hl=en