I paid twice the rust

I bought the rust already paid the bill but I came doubled to pay, can you reimburse me or do i have to pay?Every month is coming to pay

Plz help

Why would you ask this on the forum?

Because they do not respond to email

Why did you not buy it on steam? lol

Though I buy games on Steam most the time because of sales, I prefer sites that actually give you the game like GOG.

I bought the alpha