• 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
• 1 gigabyte (GB) RAM (32 bit) or 2 GB RAM (64 bit)
• 16 GB of available hard disk space (32-bit) or 20 GB (64-bit)
• DirectX 9 graphics device with WDDM 1.0 or higher driver

Make sure your Windows version matches the Windows version of the key

Verify that you have a stable Internet connection during installation. Please follow these steps for a successful activation

If you already have Windows 8.1 Professional installed, try online activation 2-3 times (if successful ignore the rest)

Windows 8.1 Professional

Download the desired version with the following download link:

(If your device has more than 4 Gb of RAM, we recommend the 64-bit version)

After downloading, burn the ISO file to DVD or save it to USB. Once you boot your PC / Laptop with the DVD / Pendrive the installation program will run. Follow the guided steps of the program to complete its installation.

If the key is not accepted during installation, enter the generic Microsoft key: XHQ8N-C3MCJ-RQXB6-WCHYG-C9WKBThis is a key for installation only. When you’re done, enter the new password.

After installing the Operating System. Let’s go and right-click on My Computer and select the properties option and click on the Activate Windows option, then activate and enter the key provided.

Microsoft has gradually phased out support for some older products. Therefore, telephone activation is no longer possible. If you have any problems or questions during the Installation, please contact our 24/7 customer service.