WOLF RPG Editor is a free WYSIWYG(What You See Is What You Get) RPG Maker software. It was developed by SmokingWOLF (SilverSecond) in Japan.
This will work on Windows 10 & earlier. Installation instructions: Download and Unzip the folder of its contents. You will find the means to open and translate the WOLF RPG Editor User Manual, as well as create a manual for yourself or for others to use.