Nero is the giant in hundreds of CD/DVD burning softwares, but if you prefer freeware, then you should give 3nity CD/DVD Burner a try, it is a powerful yet lightweight freeware, its size is only 11M, and support both windows xp and windows 7.
3nity has a friendly user interface, you can know how to use it within 30 seconds. Using 3nity, you could burn data CD or DVD discs; create Audio-CDs from multiple formats which include mp3, wma, wav and ogg; burn video DVDs; make bootable disk from an iso image file; rip tracks from any audio-CD to wav, mp3, wma or ogg files, and many more.
3nity cd dvd burner support CD-R/CD-RW/DVD+R/DVD-R/DVD+RW/DVD-RW, multisession, support iso/bin/cue files, support most IDE, USB, Firewire and SCSI drives. You can install it on Windows XP/2003/Vista/7. It’s completely free, with no ad banners or pop-ups, or anything else.
Download 3nity cd dvd burner now: 3nityDVDBurner2-0.exe