In order for you to play Five Nights at Freddy's 3 on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
XP,Vista,Windows 7, Windows 8
Processor (CPU):
2 GHz Intel Pentium 4 or AMD Athlon or equivalent
Memory (RAM):
1 GB RAM
Graphics Card:
1 GB
DirectX:
Version 9.0
Storage:
250 MB available space