Play games
Choose the game that interests you and play itfor free.
Complete the quests
Every game has some quests for which you will receive Soul Gems.
Receive rewards
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
https://support.steampowered.com/kb_article.php?ref=1122-RTSC-0478 Well,this steam new policy that release two month ago bother me a lot,i dont know i should buy the steam wallet 10 europe or not because my steam currency is Malaysia Ringgit.So,do you encounter any problem when redeem it and it will be better if your steam currency is not European because i want to know what will happen if your steam currency is different from the one you bought