> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.fotostudio.io/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to use a photographer's referral code?

If you have not used a referral code provided by a photographer during your registration, you can still enter it in [My Account > Referral](https://www.fotostudio.io/app/promocodes) to get your free trial month.

![Referral code used](https://storage.crisp.chat/users/helpdesk/website/1106822c7ec6b200/screenshot-2024-02-05-at-12593_6hamvc.png)

||| Referral codes must be added before subscribing to a subscription and are not cumulative.