what is dual boot

Dual boot:

    Basically dual boot help use using more than one operating system in windows .In this way you need to use a cd ,pendrive or any other storing device including mobile.

step 1:

    Download a disk image from official website of operating system .

    Ex.

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwicr8Ol1anuAhV763MBHantAMwQFjAAegQIARAD&url=https%3A%2F%2Fwww.kali.org%2Fdownloads%2F&usg=AOvVaw0qzDnR1XsFgwAqYBHiUT_F

step 2:

use proper boot loader

1)unitbootin

2)belenaetcher

3)yumi

4)debian

After doing default setting you will see screen like this:

step 3:reboot

just do simple restart by pressing win key and pressing following logo.

step 4:

after restart you will see names of multiple system select one of them.

done your dual boot is ready