How did o get it?

you need to follow the rules at: https://www.flytap.com/pt-pt/miles-and-go/promocoes/campanha-status-match if you have a TAP miles and Go number it has to be after 01.2020, if you are registered before that you are not eligible. you will need proof of your Smiles status, and Gold for Smiles will give you a Silver status at TAP (check it out at: https://www.flytap.com/pt-pt/miles-and-go/promocoes/campanha-status-match?accordionid=3c27750c-65a4-4a5b-a196-85cc5c7ac262 )