In order for you to play Princess & Conquest on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP/Vista/7/8/10 (32-bit/64-bit)
Processor (CPU):
Intel® Pentium® 4 2.0 GHz equivalent or faster processor
Memory (RAM):
512 MB RAM
Graphics Card:
1024 x 768 pixels or higher desktop resolution