Win8/8.1 how to install win10 dual system

1. Create a new installation partition for Win10;
2, first we need to prepare a pure disk partition for the next Win10 preview installation, here I teach you how to directly In the Win8/8.1 system, create a new partition;
3, first enter the Win8.1 computer management, we click on "Disk Management", then we need to find a partition with a large remaining space, in its right-click on the pop-up menu, select "compressed volume",;

4, the pop-up dialog box compressed volume, we need to enter the compression space. Since the author chose the F disk of 300G capacity, it has already used 20GB, and the remaining 280GB capacity is available. Here is used to install Win10 system, and Win10 installation disk, Win10 system disk space is generally recommended to reserve more than 30GB capacity (Pepsi network PC841.COM original tutorial), here Xiaobian to assign it 60GB, which is 60 * 1024M = 61440 (M), enter the capacity, click on the bottom of the "compression" button;

5, the new partition is not yet available, here we also need to create a simple sub-volume. Operation is right, then select "New Simple Volume" in this new partition;

6, and finally all the way to complete the next step, after the completion of the new partition we Win8.1 into my computer, We will see more than a new hard disk partition that will serve as the Win10 installation disk;

7, Win8.1 and Win10 dual system installation begins preparations;
8, first in Win8 /8.1 Download the latest ISO file format Win10 system image in the computer;
(Note: Win8.1 and Win10 have the same system digits. For example, our Win8.1 system is 64-bit, then download Win10 system, you must also choose 64. Bit, if the double system digits are different, the installation will be wrong, we need to pay special attention to this.)
9, because Win8/8.1 above system can directly open the ISO image file, so we directly double-click the downloaded ISO image file to run Yes, you will then enter the DVD drive directory, and then in this case, we will enter the "sources" folder, as shown below. --- into the sources folder;

10, into the sources file folder directory, and then we find this folder inside the [setup] system installer, simply double-click to open the run;