Detailed steps to upgrade Win8.1 system to Win10

Win8.1 is an update of Win8. It claims to have more than 800 updates. How about updating from Win8.1 to Win10? awesome! awesome! This article brings a tutorial from Windows 8.1 to Win10, you can learn.
The first step, download the Win10 preview version of the image, it should be noted that the simplified Chinese Win10 preview version is divided into 32-bit and 64-bit systems, two versions, if the computer memory is greater than 4GB, please download the 64-bit version, if the memory Less than 4GB, choose the 32-bit version.
The second step, after downloading the image, Win8/8.1 users can double-click to open the ISO image file (Win7 users need to use the virtual CD-ROM drive), run, then you can see the following Win10 installation interface, the preferred is to check & ldquo; Agree to the agreement & rdquo; then click Next, as shown below.

The third step, the next step will be to see the "Save your ready to install" prompt, here is mainly for environmental monitoring, here you need to wait for a while until the bottom of the "under" One step & rdquo; can be clicked as shown below.

The fourth step, after the check is completed, the installer will list the things you need to pay attention to, such as the lack of system functions or the compatibility of existing software, etc., we generally click OK. If there is no need to pay attention after the check, the interface shown below will appear.