ArmA 3 Key

Click on they payment then.
There should be a option to make it go to a resolution centre.

Having problems with this transaction? Please talk directly to the seller and try to resolve the issue with them.

You can still report the problem in the Resolution Centre within 180 days.

This is what it will say. Click on it and you should be able to make a dispute to make a charge back

Yeah I fucked up, says I can't do anything because it wasn't a purchase of goods or services.

If you payed with family and friends you can say unauthorised payment