Go to the App Store first, and then see the "Update Windows" great tips, we can update from here to Windows 8.1, directly click into.
Icon: Go to the App Store and choose "Update Windows"
The App Store then gives an introduction to the key new features and features of Windows 8.1, as well as a description of the update, including the size of the download file to upgrade. Click the "Download" button. The system prompts you to continue doing other things during the download, and prompts you to do so after the download completes.
Icon: System Upgrade instructions, click "Download"
Win8.1 system installation files will be prompted after downloading the Windows software License Terms, direct point to confirm acceptance. The update process will automatically match the corresponding version according to the user's Win8 actual version, the ordinary version Win8 will correspond to the ordinary version Win8.1 downloads and the update, WIN8 Professional Edition corresponding Win8.1 Professional Edition downloads and the update, if previously installed Media Center The Win8.1 Professional Edition containing Media Center is automatically downloaded.
Icon: Download and update
The following is waiting for download and update, download time and speed and the number of downloads related. The first phase of the update installation will be done automatically when the download is complete. After that, the system pops up a window prompting the computer to reboot, and the user can choose "reboot now" or save the work in 15 minutes before restarting.
After the Win8.1 update installation is complete, you can experience the new Win8.1 system.