nVidia GeForce GTX 260 256mb or ATI Radeon HD 5670 256mb. A Note on Security
Before downloading, ensure your PC meets the minimum specs to run the game smoothly: Download Kingdoms and Castles v120r3
Windows 7 or newer (64-bit), macOS 10.10+, or Ubuntu 14.04+. nVidia GeForce GTX 260 256mb or ATI Radeon HD 5670 256mb
Go to your or the email download link provided at purchase. Check the available files for the version labeled v120r3 . System Requirements Download Kingdoms and Castles v120r3
Download the . GOG often archives previous versions, allowing you to select specific builds if they are listed. Itch.io : For those who bought the game on Itch: