It seems like you have provided some information about a software called Room Arranger, along with some additional text that appears to be unrelated. I'll do my best to help you with your request.

Firstly, the key is 'free download Room Arranger 9.8.0.640', which suggests that you're looking for a free download of the software.

To answer your query, here's what I found about Room Arranger:

Room Arranger is a 3D room, apartment, and floor planner with a simple user interface. It allows users to create interactive drawings and move around the project in 3D mode. The software can also be used to print the created design at any scale. Additionally, it has a VRML standard plugin that enables users to view their project in 3D using Cortona3D Viewer or BS Contact.

As for the download, I found that Room Arranger is available for free download from various websites, including the official website and software libraries. You can also find different versions of the software, such as Room Arranger 9.7.3 and Room Arranger 9.8.1.641.

If you're looking for more information or have any specific questions about using Room Arranger, feel free to ask!

Free download Room Arranger 9.8.0.640