> For the complete documentation index, see [llms.txt](https://docs.tip4serv.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tip4serv.com/product-setup.md).

# Product setup

- [Sell your files](https://docs.tip4serv.com/product-setup/sell-your-files.md): If you are a UGC creator, you can use Tip4Serv to sell your mods, assets, or any type of documents.
- [Custom Fields](https://docs.tip4serv.com/product-setup/custom-fields.md): Use additional information for your product. In this tutorial, you will create a product that uses custom fields.
- [Product expiration](https://docs.tip4serv.com/product-setup/product-expiration.md): Create a product that expires after several days
- [Subscriptions](https://docs.tip4serv.com/product-setup/subscriptions.md): Create auto-renewing or one-time subscriptions with expiration commands
- [How it works?](https://docs.tip4serv.com/product-setup/subscriptions/how-it-works.md): There are two types of subscription on Tip4Serv
- [Events & commands](https://docs.tip4serv.com/product-setup/subscriptions/events-and-commands.md): There are 4 events in the life of a subscription, after payment, after renewal, after expiration and also refunds.
- [Trial days](https://docs.tip4serv.com/product-setup/subscriptions/trial-days.md): Allow your subscribers to take advantage of trial days
