A: No. This is the cardinal rule. The Pre-Game Editor changes the starting database. It will not work if you load a save from yesterday. For existing saves, you need the In-Game Editor (purchased via Steam for ~£7/$8).
In this guide, we will walk you through everything you need to know about the , including where to find it, how to install it, and how to use it to build your dream database.
Once you save your changes as an "Editor Data" file, you load it when starting a new career. It is the foundation upon which your entire save is built.