is it possible to download FRTR program?

[Lucifigus]

Is it possible to download FRTR to use it on computer or phone if internet gets down?

 

[Soaring Eagle 666]

Is it possible to download FRTR to use it on computer or phone if internet gets down?

Yes. Just click "Save Page As" (or press Ctrl+S) on the Paintable Version. That will download the whole RTR as a single ".html" file. Then just double-click on that .html file and it will open and work, even offline.