In order for you to play Giana Sisters: Rise of the Owlverlord on Windows with minimal graphics settings, your computer must meet the following requirements
Operating System:
Windows Vista / 7 / 8 / 10
Processor (CPU):
Intel Core 2 Duo 2.8 GHz / AMD Athlon II X2 2.8 GHz
Memory (RAM):
2 GB RAM
Graphics Сard:
Nvidia GeForce 6800 or better
DirectX:
9.0 (:10 recommended)
Storage:
3 GB HDD