Sorted...that was not very intuitive or well explained, the email with my code links straight to the download page by passing the page where the code needs entered. Thanks for the help.

Thanks. I bought the game 30mins ago and am fully logged in to the website using the email/password and username, still no download button?

I've just bought the game but when I go to the official Factorio download page (below) and there is only a button to BUY the game, not to download it, where's the download link?

https://www.factorio.com/download

Thanks for any help.