One way to install Windows 8 Consumer Preview by upgrading from Windows 7 via the official page of Windows 8.Why do we upgrade from Windows 7 to Windows 8, not by directly installing Windows 8?This is because there are many applications that also support Windows 7 or compatible with Windows 8, so love it if we waste time just to install the applications that should not be installed.As for how to upgrade Windows 7 to Windows 8 is as follows:
Step 1: Open the page and download the official Windows 8 installation file Consumer Preview. The installation file is only 5 MB.
Step 2: Run the installation file. The installation program will check the hardware and software, and then will report the application and device compatibility. This step may take some time, if your computer has installed many additional applications.
Step 3: Click the "Next" to get the product key of Windows 8.
Step 4: Click the "Next" to start downloading Windows 8. The duration of the download depends on the speed of the internet is used.
Step 5: Once the download is Windows 8 is complete, select the "Install Now" and then "Next" button.
Step 6: In the next checklist on "I accept the license terms" and then click the "Accept".
Step 7: Next, select what you would do in Windows 8. To
move all the applications already installed, settings and files, select
"Windows settings, personal files, and apps" then click "Next".The installer will check the available disk space again. If
your installation drive for Windows 7 have at least 16 GB of free space
(20 GB for x64 Windows 8) the installation of Windows 8 will not be
continued.Finally, click the "Install" to continue the installation.
Step 8: The computer will restart 2 or 3 times during the installation process.
Step 9: Select the background color, enter the name of the PC and then click "Next" button. In the next display you must configure and customize your own settings.
Step 10: Finally, you'll see the Metro Windows 8. Congratulations your computer has been successfully installed Windows 8.
Hopefully this information how to install Windows 8 by way of an upgrade from Windows 7 to Windows 8 above can be useful. Good luck.