1. Open your browser and visit Garena Topup Center.
2. Choose Free Fire from the list of the games.
3. Log in to your Free Fire account.
4. Choose "Garena Voucher/Garena PPC".
5. Input the code you received and click Confirm and the diamonds will be added to your Free Fire Account.
6. This service is only available for Fire Fire accounts from Algeria, Bahrain, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Libya, Morocco, Oman, Qatar, Saudi Arabia, Syria, Tunisia, United Arab Emirates and Yemen