In order to play Ankh - Anniversary Edition on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows 2000/XP
Processor (CPU):
2 GHz
Memory (RAM):
512 MB RAM
Graphics Card:
Radeon 9800 Pro / Geforce FX 5900 XT with 128 MB RAM
DirectX:
Version 9.0c
Storage:
1200 MB available space