Windows Disc Image Burner is a free utility included in Windows 7 but no many people know it. This small program allows you to burn CD and DVD images right from command line - so it is not necessary to use a third party software like Nero or ISO Burner.
Here is how you can do it ( lets assume that we have an ISO files called windows-7.iso on K:/ drive ) :
1. Type isoburn /q K:\windows-7.iso on Run command and press Enter. If the file path is correct you will get the following window :
If the path file is not correct you will get the following window :
In this case retype the command with the right path for windows-7.iso
2. Insert a blank disc, press Burn and wait .....