Important: Spain is not playable anymore with this file.
How to install Land of Valencia on FM181) Download the LandOfValencia.fmf file.
2) Drag the file into your "Editor Data" folder. located at \Documents\Sports Interactive\Football Manager 2018\editor data.
If this folder doesn't exist, create it.
3) Open Football Manager 2018 and start a new career, In the top right of the screen, under "Database", make sure "Pais Valencia" is selected.