While dedicated "one-click" save editors are rare for the current version of FH5, several free tools allow you to achieve the same results through "Save Swapping" or live trainers:
Unlock every race, event, and accolade without effort. Top Free Tools and Methods
A save editor is a third-party tool that allows you to modify your User Profile data. Unlike standard cheats that run while the game is open, save editing changes your progress files directly to unlock: Instantly become the richest player in Mexico.
A popular open-source tool available on GitHub that provides free modding features for FH4 and FH5.
A free, open-source trainer that can grant credits, XP, and speed hacks in real-time.
Often shared via GitHub Gists or community Discord servers, these are pre-made 100% completion saves you can "swap" into your game directory. How to Use a Save Swap (Step-by-Step)