How to Fix "Invalid Product Code" Steam Error
Getting "Invalid Product Code" on Steam? This step-by-step tutorial shows you exactly why it happens and how to fix it.
This error means Steam doesn't recognise your key — but it has 4 different causes, and the fix depends on which one applies to you.
Steps:
0:00 The Error
0:09 Reason 1 - Typo in the code
0:33 Reason 2 - Wrong redemption field
1:09 Reason 3 - Key is for a different platform
1:34 Reason 4 - Key already used or fake
1:55 Still not working?
Full written guide: https://ghostkeys.eu/blog/how-to-fix-...
Still not working? Create a support ticket: https://ghostkeys.eu/support
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