System installation disk production is not asking for people win8.1 has a coup

The Microsoft system pushes the upgrade win8.1 system from the win8 system for free, but this is only for a small number of users, and some user systems still cannot be upgraded. But don't worry, here we will get our own win8.1ISO and make the system installation disk, so that many computers can also enjoy the new system of win8.1.
1. Go to the official Microsoft page “Upgrade Windows using only the product key>: http://windows.microsoft.com/en-us/windows-8/upgrade-product-key-only
2 Click the “install win8” button, it will download the installation assistant, open after the download is complete.

3. Enter the product key of the Windows8 or Win8 Pro or Win8 upgrade you purchased before, and download the corresponding version.

4. When it starts downloading, click the x in the upper right corner of the window to close the installation assistant.
5, re-open the Windows upgrade page (http://windows.microsoft.com/zh-cn/windows-8/upgrade-product-key-only), click “ install win8.1”, then Download the new installation assistant.
6, run the latest download installation assistant, download win8.1.

7. When the win8.1 download is complete, choose to install from the media. This option allows you to make a USB or DVD system installation disk.

8. If you want to store the installation file in the U disk, select the first one. If you want to directly obtain the ISO file, select the second option.

Get win 8.1ISO and make system installation disk This method is more suitable for users who need to upgrade multiple win8.1 systems, only need to download once, you can install on multiple computers, it is convenient, there are Users who need it can learn to learn.