I will illustrate to Dual-Boot Windows 10 in Windows 7 or 8 which has been thought by users as a hard task to accomplish.
Dual boot Windows 7 and 8 Also Windows 10
Dual boot with Windows 10
First, free some space for windows 10 in your hard disk.
-Press on the command prompt, type “diskmgmt. msc” then press enter.
-Locate your system partition, right click it to shrink the volume .Creating enough space for Windows 10 system.
-Download the Windows 10 ISO file or make a bootable flash drive.
-Reboot it of which it will automatically boot into the windows 10 installer
-If you have a Windows 8 PC that comes with the newer UEFI firmware you will have to use the initial Windows 8 advance boot menu to select your installer drive when booting your PC.
-Go through the installation process normally, then install
-Once done with Installation reboot and choose the desired operating system of your choice.
Windows 10 Preview
Download the windows 10 preview ISO file from the windows.com site.
-Click the Get started button once on the site and sign in with your account and accept the terms and conditions.
-Choose the bits, 64 or 32.which is compatible with your PC.
-Launch Windows 7 USB/bootable DVD download tool.
-Select the booting device
-Click Begin copying
-If using a USB which is easier to install, accept to erase drive for files to be copied to the drive.
-Navigate to Disk Management Tool and shrink the volume of your choice.
-Choose a minimum of 20 GB of space
-Choose do not format the Volume, Then Finish
-Install Windows 10 and accept terms and conditions
-Once you have done a reboot to your PC Choose the operating system of your choice.
Choose Express settings and experience the Windows 10 operating system.
Configuration using a VHD
For you to be able to install Windows 8.1 on a VHD. You will first need to download the Windows Image and burn it to a DVD.
-Create a VHD using Disk management tool, then install Windows 8.1 onto the VHD.
-Click the Browse button and use the browse dialog box to create a folder and create a name for your VHD file.
-Specify the size that will have enough space on the physical hard disk to accommodate your VHD.
-After creating your VHD, install Windows 8.1 bootable DVD and restart your system.
-Once you have installed the Windows 8.1 choose your operating system and experience the Dual-boot.
Once you have followed the steps, dual booting of Windows 10 or 8.1 with Windows 7 or 8 has ever been made easier.