When you download a preset.zip file from the community, the installation process is straightforward:
To create a preset in-game:
: You can load presets directly from the character management menu. To delete a preset you no longer want, right-click it in the schedule or preset menu.
The default system can get cluttered if you have many presets. Fortunately, the community has created powerful tools to solve this:
Simply drop your downloaded .preset files into this folder.