Go to Steam Support: https://help.steampowered.com
Sign in to your Steam account
Select the purchase you want refunded
Choose the issue related to the purchase
Click “I’d like to request a refund”
Select the refund method
Submit the refund request
Wait for Steam’s response
Refunds are usually available for games played less than 2 hours and purchased within 14 days
Check your email for the refund status
If approved, the refund goes back to your original payment method or Steam Wallet