You need this to get it done:
Action DetailsRequirements and how-to articles for Steam's action:
The product(s) that you wish to distribute on Steam.
A unique ID which represents your application.
Product Submission Fee
You must pay Valve a $100 USD fee for each product you wish to distribute on Steam. This fee is not refundable, but will be recoupable in the payment made after your product has at least $1,000 USD Adjusted Gross Revenue for Steam Store and in-app purchases.
How-To ArticlesA list of useful links for you:
A list of useful links for you: