Minimum System Requirements
Windows
OS:
Windows 7/8/10 Processor:
Intel Core 2 Duo 2.4GHz or equivalent RAM:
2 GB RAM Video card:
DirectX 9c compatible graphics card with 512MB Sound card:
DirectX 9.0c compatible Disk space:
2 GB available space 
MAC
Dear Esther: Landmark Edition is not officially supported on macOS. However, some users have managed to run the game using Windows emulation software or by installing Windows on a separate partition via Boot Camp
Linux
Dear Esther: Landmark Edition 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 7/8/10 Processor:
Intel Core i5 or equivalent RAM:
4 GB RAM Video card:
DirectX 9c compatible graphics card with 1024MB Sound card:
DirectX 9.0c compatible Disk space:
2 GB available space MAC
Dear Esther: Landmark Edition is not officially supported on macOS. However, some users have managed to run the game using Windows emulation software or by installing Windows on a separate partition via Boot Camp
Linux
Dear Esther: Landmark Edition 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 Dear Esther: Landmark Edition 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.
