Operation method:
1. Before upgrading Windows 8.1, you must first upgrade all patches for Windows 8 and uninstall anti-virus software.
On the computer desktop, I press the shortcut key "Win + X" and then on the "control panel", we directly display the control page as a "small icon" for convenience ", in the control panel, choose "Windows Update"> "detect update" to update the Windows patch. After installing all updates, restart your computer.
2. Now we can go to the "app store" to prepare for upgrade. The method is found on the "Start screen.
3. In the App Store on your computer, we will see a "update to Windows 8.1 for free" graph.
4. Then we will see a "download" option, where you can click download update. (You can also temporarily download or cancel the installation during the download process)
5. After the download is complete, the system will remind you to restart your computer and help you install Windows 8.1.
6. After the computer restarts, the system will automatically go to the Windows 8.1 installation page.
7. As shown in the following figure, we will install the software on the relevant agreement page and accept it.
8. After the system is installed, we need to log on to the Microsoft account and install the final program.
9. After the installation is complete, you can go to the Windows 8.1 page.
In a few simple steps, you have upgraded your Windows 8 to Windows 8.1. You can upgrade your Windows 8 to another version later.