Steam - HKD $600

How do I fill in the Steam Wallet Code into my Steam account?Follow these steps to fill in your Steam Wallet Code into your Steam account:1. Log in to your Steam account2. In the top right corner, please select Account Details.3. Select the Add Funds to your Steam Wallet menu.4. Select Redeem a Steam Gift Card or Wallet Code.5. Enter the voucher code6. Click Continue.