MSFS Aviator plugin Installation -
VoiceAttack Software required!

Download & Install VoiceAttack 64 bit full version

Once VoiceAttack is installed, train your computer's speech recognition so that it can better understand your normal speaking voice - After that, simply download and install any one of the AVIATOR voice packs, install, and follow the on-screen instructions.
Once it is complete (including entering your license key), select the HCS (Aviator) profile from the VoiceAttack drop-down menu.  You're then good to go.

Install your voice pack and begin flying

Simply run VoiceAttack with the AVIATOR profile selected, then start the game.
Your VoiceAttack window will say the message “Waiting for you to run Flightsim” until it detects the game.
Once the game starts, it will configure your Keybinds, connect up to the SimConnect API provided by Microsoft and say “Ready” on the screen.

The HCS MSFS plugin will auto-detect your current plane