How to copy .RAR to a DVD?

copy .RAR to a DVD for backup, so easy, first you must have a right dvd burner drive(hardware device) on your computer, most dvd burner drives have a text "DVD RW" sign on drive panel, you need to check your computer to validate there is a right dvd burner drive, then you can use RZ Free DVD Burner, its free and easy to use, it can directly burn any files or folders to any dvd disc(DVD+R, DVD-R, DVD-RW, DVD+RW, DVD-R DL, DVD+R DL, etc.) for backup, such as burn .RAR files to a DVD for backup, you can yahoo or google search and download RZ Free DVD Burner, hope it could help you.