https://itch.io/t/67604/how-to-get-a-steam-key-from-your-itchio-purchase
Follow the instructions in the thread linked above, and that should do it for you!
https://itch.io/t/67604/how-to-get-a-steam-key-from-your-itchio-purchase
Follow the instructions in the thread linked above, and that should do it for you!