Η Microsoft just released the official version of the guide learningof windows 8.1, trying to help her customers who are looking for more information about the new features of its new operating system.
The guide is in PDF format.
“The Product Guide of Windows 8.1 will guide you through its many new and improved features Windows 8.1 and Windows RT 8.1. ” says Microsoft.
Of course, the PDF document is offered for free and includes information about all versions of Windows 8.1.
You can download it here.