: If you've purchased a digital copy, download the game. If you have a physical copy, insert the DVD into your computer.
Are you running into a like "Activation Denied" or "Invalid Key" during your installation? How to install Mount and Blades with Fire and Sword? mount and blade with fire and sword 1138 serial key install
: Log into your profile, navigate to Games , select M&B: With Fire and Sword , and click More > Serial Keys . : If you've purchased a digital copy, download the game