Minimum System Requirements
Windows
OS:
Windows XP, Vista, 7, 8, or 10 Processor:
2GHz+ RAM:
3 GB RAM Video card:
512MB Sound card:
DirectX 9.0c compatible Disk space:
200 MB available space 
MAC
OS:
Mac OS X 10.7 or later Processor:
2GHz+ RAM:
3 GB RAM Video card:
512MB Sound card:
Any Disk space:
200 MB available space 
Linux
Undertale does not have an official Linux version. Players have used compatibility layers like Steam Play's Proton or Wine to run the game on Linux systems, but performance and compatibility can vary
Recommended System Requirements
Windows
OS:
Windows XP, Vista, 7, 8, or 10 Processor:
2GHz+ RAM:
3 GB RAM Video card:
1GB Sound card:
DirectX 9.0c compatible Disk space:
200 MB available space MAC
OS:
Mac OS X 10.7 or later Processor:
2GHz+ RAM:
3 GB RAM Video card:
1GB Sound card:
Any Disk space:
200 MB available space Linux
Undertale does not have an official Linux version. Players have used compatibility layers like Steam Play's Proton or Wine to run the game on Linux systems, but performance and compatibility can vary
We recommend playing Undertale on a Windows PC that meets or exceeds the recommended system requirements. If you're trying to play on a Mac or Linux, be prepared for potential technical issues and performance changes.
