DVD Questions

How to burn a dvd with a downloaded file?
I got a DVD-RW drive on my comp but have never used it. Could someone please explain how I go about burning a downloaded file onto a dvd? And do I need to buy/download any software? Please give as detailed and informational answers as possible.
U need no other programs nearly,.
All u need is a Blank DVD-R first,.then,.make sure u insert in in u r dvd-rw drive,.now just open the blank dvd-r from my computer – dvd drive icon. go to the files u want to burn in another window just drag and drop them into the drive and after that just give write files to dvd or cd command from menu.
u can also send those files through context menu in u r right click,.select those files right click,.then click on send to – cd drive.
u need nero only to burn iso and other kind of program format,.mp3 wav.normal data,.files from net doesn’t need a special program to burn on Windows Xp and Vista,.