Open Steam
Click Help in the top menu
Select Steam Support
Sign in (if prompted)
Click Purchases
Select the game you want to refund
Choose a refund reason
Select Request Refund
Confirm...
Open Steam.
Go to your Library.
Select the game you want to return.
Click the game’s name to open its details page.
Click Support.
Click Refunds.
Select the reason for...
Open Steam
Go to your Account
Select Purchase History
Find the game you want to refund
Select Request a Refund
Choose the reason for the refund
Confirm the refund request
Submit...