1. To start the game need a Player Account and the corresponding platform MacOS or Windows. 

// or follow the link to login/ or sign up for a Player Login.

You can choose the platform at your Player Account.   

2. When the game is downloaded, just unpack it. Enter login and password from Player Account.

You may need to give permission to run the game during the Early Access phase. If so, follow the instruction on this page - How to run the game

Enjoy Your Own Empire with Medieval Empires!