EC 135 V5 / PAX / X-Plane 12
In this version, the cabin is equipped with seats. It can be completely emptied for transport purposes. All doors can also be removed. There are many equipment options, from winches to load hooks.
Unzip the archive using 7-Zip (Windows), The Unarchiver (MacOS X) or XArchiver (Linux) into a suitable subdirectory of the Aircraft directory of your X-Plane installation.
Note the instructions for setting up the controls in the manual.
X-Plane 12 under Linux, MacOS or Windows.