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.
If youve never played storm league, you will get put in mid-low silver/high bronze, so dont worry about how your placement games go, the best way to climb is by playing well in placement to hit that mid silver point, then consistently keeping a 51%+ win average through your first 50 games.
Think of the three heroes you are most comfortable with, if they all fit the same role, even better, queue as that role.