Click the link ( link ) ' Get it now ' to install an update that allows you to access Windows 8.1 Preview from the Windows Store.
Step 2: Restart your Windows 8 device.
After restarting the computer, Windows Update will automatically install the new version for you. When the device restarts, a message prompting you to install Windows 8 Preview will appear. After that, you can access Windows 8.1 from the Windows Store.
Step 3: Press the 'Go to the Store' button.
After pressing the ' Go to the Store ' button, you will be redirected to the Windows 8.1 Preview page in the Windows Store. Here you will see more links and more information about Windows 8.1 Preview.
Step 4: Click the 'Download' button .
After pressing the ' Download' button, Windows 8.1 will start the installation. But before that, it will perform a compatibility test to see if the device can run the Preview. If no problems are found, your device may restart several times during the installation process.
Step 5: Log in with your Microsoft account .
After installation, you will need to log in with your Microsoft account to use the cloud features of Windows 8.1 Preview.