How to make a CD / DVD bootable

What does bootable?
A bootable CD allows you to boot from it for example:

Let's say you have no operating system and want to install one.
You have nothing on your hard disk. Well, using the BIOS (where you set the primary boot device DVD-RW), you can install that operating system from the CD. Overall operating systems are made in .ISO format.

How to make a CD / DVD bootable?

Well, first we need a blank CD / DVD.
1) Install ImgBurn here.
2) s get the CD in DVD-RW.
3) We go where we .ISO image, we click it right, then give the Open With and open with ImgBurn.
4) 4x Write Speed ​​ImgBurn set to ensure that there will be no problems when creating the CD. Check to have ticked the "Verify".

5) After you have settings like the picture above, you can begin making the CD by pressing circled me (Write).
After loading is over, the CD will be usable.