Install
ACARS Client
After downloading the installer, extract it and run it. It will install into:
%LocalAppData%\vmsacars\currentDesktop and start menu shortcuts will be created, and the program will be registered.
Simulator Configuration
WASM Module
If you're using Microsoft Flight Simulator, to read the LVars from the sim you
need the FSUIPC WASM Module (Version) from FSUIPC,
fsuipc-lvar-module folder needs to be manually placed in your community
folder.

Also, it is possible to install the WASM Module with FSUIPC main installer. While installing or updating it, be sure you have the WASM Module option enabled.

Permission Denied Errors
If you're getting a permission-denied error, see this thread