It is generally categorized as a casual simulation or visual novel-style game.
Viewing post in Young Valery's Holiday Job comments - itch.io File: YoungValerysHolidayJob-1.0-pc.zip ...
Right-click the YoungValerysHolidayJob-1.0-pc.zip file and select "Extract All" to a folder of your choice. It is generally categorized as a casual simulation