A:AnswerIts under the special protection strip. If it is silver, you will need to gently scrape off the silver. If it is green then carefully pull off the strip. The code is underneath.
A:AnswerNo — you generally can’t use Razer Gold directly to add funds to your Steam Wallet or buy Steam gift cards. Razer Gold is a separate digital credit system used for in-game purchases and supported platforms, but Steam doesn’t officially accept Razer Gold for wallet top-ups right now.