Please install Microsoft Windows 8.1 Fachmann ( Profi ) system before placing an order.
Please make sure your system edition is Microsoft Windows 8.1 Fachmann ( Profi ).
We only sell the product key. If you need the system installation package, please download from the official website.
After order, we will delivery of the digital activation serial code to your email.
The license number has 25 digits and consists of numbers and capital letters.