Today we are more and more confronted with online purchases and afterwards we can download an .iso file, which is actually an image of a real dvd or cd.
If we check on fileinfo.com we see we can open such a file with different tools.
But if we were to burn them on a real dvd I would suggest to use the following software:
Windows 10 can burn your dvd or cd without any extra software from explorer.
If for some reason, you need an extra program to burn your dvd, you can surf to ninite.com and select :
My favourite for Mac Osx is :