what is dual boot
Dual boot: B asically 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: D ownload 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