Magento is a content management system (CMS) using PHP and MySQL for it's web hosting.
To install, Login in to your your cloud hosting control panel.
Click the [Install Applications] Button
Then next to Magento, Click [Install], This now shows the Install path, The [ / ] will install it to the root or public_html folder.
When you click the [Install Application] button, it will show that it's installing, This may take several minutes.
After the install, it will show your admin username and password, This is the only time it is display, please make a note of it
Now click the [Login] button to display the admin login page
Fill the form with the User Name and Password "newinstall"
This opens Magento's Dashboard
Then click [System] and select [My Account]
Update the password and click [Save Account]