The software is DRM Free in many versions and is designed exclusively for Windows (7/8/8.1/10).
Requires at least 4 GB of RAM, an Intel Core2 Duo or better processor, and 300 MB of available storage space. Early-Game Tips Snow-Swept Quest R18 Version Guide - Steam Community
The title features traditional turn-based combat, a leveling system, and a fantasy setting built within the RPG Maker engine.