https://itemku.com/tanya-answer/article/cara-trading-steam/232324308 After making payment, the Steam Wallet code will appear automatically on the order details page.Code 100% Legal (authorized official reseller)There is no expiration date, it can be used at any timeHow to redeem Steam wallet:1. Open the page: https://store.steampowered.com/account/redeemwalletcode2. Login your Steam ID3. Enter the code you have received in the Steam wallet code column4. Click continue5. Done, your Steam balance has increased.If there are problems with charging or experience an error, please wait 30 minutes, then redeem the code again, or try redeeming again using a PC.Thank YouHappy shopping