In order for you to play Worms Forts: Under Siege on Windows with minimal graphics settings, your computer must meet the following requirements
Operating System:
Windows XP / Vista / 7 / 8 / 10
Processor (CPU):
1.8 GHz
Memory (RAM):
512 MB RAM
Graphics Сard:
3D graphics card compatible with DirectX 7 (compatible with DirectX 9 recommended)
Storage:
2GB HDD