WIn10 currently has many software compatibility issues so it is not recommended that you directly upgrade or reinstall the Win10 system here I suggest you install Win8.1 and Win10 dual system both You can experience Win10 without affecting the original Win8/8.1 system. Not much nonsense the following is a tutorial on installing Win10 dual system under Win8/8.1. Not much nonsense the following is a tutorial on installing Win10 dual system under Win8/8.1.

1. Preparations
　　a) Create a new installation partition for Win10
First of all we need to prepare a clean disk partition for the next Win10 preview installation. Here I Teach you how to create a new partition directly in Win8/8.1 system the specific method is as follows.
　　1. After entering Win8.1 computer management we then click 'Disk Management'. Next we need to find a partition with a larger remaining space right-click on it and in the pop-up menu Select \u0026ldquo;Compressed Volume\u0026rdquo; as shown in the following interface diagram.
?Where is the Win8/8.1 application view opened? -Computer Knowledge Network