Searching for serial keys or "verified" activation codes for (specifically for version 1.138) often leads down a rabbit hole of outdated forum posts and risky websites.
You can often buy keys directly from the developer. If you have an old physical CD copy but lost the manual, TaleWorlds support can sometimes help if you have proof of purchase. mount and blade with fire and sword 1138 serial key verified
If you are looking to jump back into the 17th-century chaos of the Polish-Lithuanian Commonwealth, here is everything you need to know about getting the game running legally and safely today. The Problem with "Verified" Serial Keys Searching for serial keys or "verified" activation codes