The configuration requirements for Mysterious Night are not high. Even a Windows 7 system can be used to experience it. 8GB of running memory is enough, and 30GB of storage space is required. There is also a demo version on the current product page, for players who are hesitant to buy it. You can download and experience it before deciding.
Minimum configuration
Operating system: Windows 7 or Windows 10
Processor: Intel i5-4460 or AMD 955
Memory: 8 GB RAM
Graphics card: NVIDIA® GeForce® GTX 760 or AMD Radeon™ R7 270
DirectX version: 11
Storage: 30000 MB available space required
Sound card: DirectSound compatible (DirectX 9.0c or higher)
Additional Notes: SSD hard drive
Recommended configuration
Operating system: Windows 7 or Windows 10
Processor: Intel i7-3770 or AMD 3600X
Memory: 16 GB RAM
Graphics card: NVIDIA GeForce GTX1060 or AMD Radeon™ R7 570
DirectX version: 11
Network: Broadband Internet connection
Storage: 30000 MB available space required
Sound card: DirectSound compatible (DirectX 9.0c or higher)
Additional Notes: SSD hard drive