Instructions
Download the translation .xml file
Just Download your language file!
Move it to the translations directory
Once you downloaded the file, move it to
C:\Users\UserName\AppData\
Local\Frontier Developments\Planet Coaster\Translations
Set Steam
Open steam, and open Planet Coaster Proprietes.
Now click Set Launch Options and write
"-translation FileName.xml"
(without quotes and write real file name)
Example:
Have Fun!
Now you have Planet Coaster in your Language! Have Fun!