1. Log into G2A.com and select "Add G2A GiftCard" from the G2A Wallet dropdown menu or visit https://www.g2a.com/redeem-card/ 2. Top up your G2A Wallet ballance by providing your unique code from the back of your GiftCard or the email that you have received. 3. Use your balance to buying anything on G2A Marketplace - thousands of digital products, games, software, prepaids and many more...