In order for you to play NGU IDLE on Windows with minimal graphics settings, your computer must meet the following requirements
Requires a 64-bit processor and operating system
OS *:
Windows 7, 8, 8.1, 10. XP? Who the heck is still using XP?
Processor (CPU):
If it was made after 2010 you're good.
Memory (RAM):
2 GB RAM
Graphics Card:
Probably everything works, even integrated ( but you might have slideshow FPS)
Network:
Broadband Internet connection
Storage:
150 MB available space
Sound Card:
lol there's no audio at all
In order to play NGU IDLE on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
Requires a 64-bit processor and operating system