win8.1 How to install WIN10 dual system

First, preparatory work

A) Create a new installation partition for WIN10

First we need to prepare a clean disk partition for the next WIN10 preview, here I teach you how to create a new partition directly in the win8/8.1 system, as follows.

1, first into the Win8.1 Computer Management, we then click on "Disk Management", next we need to find a and the remaining space of a larger partition, on its right click, in the pop-up menu select "Compressed Volume", as shown in the following interface diagram.

Disk compression Volume

2, Pop-up Compressed Volume dialog box, we need to enter the size of compressed space. Because the author selected is 300G capacity of f disk, itself has used 20GB, the remaining 280GB capacity available. Here because it is used for installation WIN10 system is available, while WIN10 installation disk, WIN10 system disk space is generally recommended to reserve more than 30GB capacity (Pepsi Net pc841.com original tutorial), where the small set to its distribution 60GB, that is, 60*1024m=61440 (M), After entering this capacity, click "Compress" at the bottom, as shown in the following figure.

3, this time, the new partition is not available, here we also need to create a simple volume. To do this, right-click on the new partition and choose New Simple volume, as shown in the following illustration:

The last way to complete the next step, complete the Win8.1 new partition after we enter my computer, you will see a new hard disk partition, this partition will be the WIN10 system installation disk, as shown in the following figure.

b Win8.1 and WIN10 dual system installation begin preparation

1, first in the 8.1 computer download the latest ISO file format Win10 system image;

Note: Win8.1 and Win10 the same number of systems, such as our Win8.1 system is 64-bit, then download the WIN10 system, you must also select 64-bit, if the number of dual-system digits, the installation will be wrong, this need special attention.

2, as the Win8.1 above system can directly open the ISO image file, so we directly double-click the download of the ISO image file to run, and then into the DVD drive directory, and then in this, we then enter the "Sources" folder, as shown in the following figure.

Enter Sources folder

3, into the Sources folder directory, we find this folder inside the "Setup" System installation program, directly double-click to open the run, as shown in the following figure.

Note: Win8.1 and WIN10 dual system installation tutorials, a very important step is the need to run the Sources folder Setup program, if the WIN10 replace the Win8.1 system, that is, directly Win8.1 upgrade to WIN10, then directly run the map of the root directory Setu P Installer, upgrade installation.

　　Second, Win8.1 Win10 dual System tutorial

1, run the Sources folder under the Setup program, you can see the following familiar system installer interface, first select "Immediately online installation update (recommended)", as shown in the following figure.

2, the next will enter the WIN10 installation license Terms, we check "I accept the license terms", and then click on the bottom of the "next" can be, as shown in the following figure.

3, next in you want to perform which type of installation shot selection. Custom: Install only Windows (Advanced), as shown in the following illustration.

4, next need to select you will Win10 install to which disk, here we directly choose, above our new pure partition plate can, after completion, continue to click "Next", as shown in the following figure.

5, then, the basic we do not need to operate, waiting for its automatic completion, WIN10 installation takes a long time, and installation process, will automatically restart several times, we only need to patiently wait for its completion. As shown in the following figure.

6, the last computer restart a few times, will enter WIN10 initial installation settings, mainly need to create user name, password and basic settings, and so on, we follow the prompts step-by-step completion, and finally can enter into the Win10 cooking surface interface, as shown in the following figure.

Figure is WIN10 desktop

After the successful installation of the WIN10, after each reboot or boot of the computer, will enter the system selection interface, you can freely choose to enter the WIN10 or Win8.1 system, as shown in the following figure Win8.1.

Win8.1/win10 Dual System Switching method

Win8.1 and Win10 dual system installation tutorial for you to introduce here, the overall is very simple, without the need to set the BIOS, and without the help of virtual optical drive, completely in the Win8.1 system to complete the installation. The above demo is Win8.1 under the installation of WIN10,WIN8 system is the same.