Microsoft Windows 8.1 Professional 32/64 Bit - (Product Key)

Purchase Windows 8.1 Professional and get a 100% original license directly activated by the user with the official Microsoft ISO file. Secure payments provide full assurance to the buyer. You will receive your original license via email immediately after purchase, a link to download the official ISO from the Microsoft website, and all the instructions for a quick and easy activation. 

*Get your original license at the right price

Windows 8.1 Professional for professionals and businesses

Windows 8.1 Professional is available in both 32-bit and 64-bit versions and delivers high performance for both business and professional users. It is the upgraded version of the Windows 8 operating system and has been enhanced in many aspects with newly implemented features. It allows the user to work comfortably with many open applications without any drop in performance. The interface has likewise been reworked and simplified, it is now user-friendly and designed for touch-screen use. Security and reliability have also been improved.

Which new features have been developed in Windows 8.1 Professional?

Windows 8.1 Professional has been enhanced and revamped with professional programs that make it much easier for professionals and businesses to do their job. Compared with the previous version, improvements have been made resulting in a modern interface which is suitable for use in handheld devices as well as computers. 

• - Design, technical and system improvements.
• - Modern user interface: Metro Style “Tile” layout for Touchscreen devices
• - Design, technical and system improvements. 
• - Modern user interface: Metro Style “Tile” layout for Touchscreen devices
• - Internet Explorer 11: New Windows Web Browser
• - Optimized data transfer management: Copy tasks can be paused and resumed
• - New Task Manager: Processes are managed to improve performance
• - Windows Store: Users can now purchase new and exclusive applications
• - Windows Defender: Antispyware

What happens if you format your PC or migrate to a new one? (lifetime license)

This Microsoft license is a lifetime license. It is not a subscription service and therefore does not require periodic renewals for a fee. By purchasing Windows 8.1 Professional, you will own the software permanently without any additional future expenses, and you will enjoy all the benefits of owning an original Microsoft license that you can use on your computer or device, even if you format your current device or switch to a new one. You can reuse it forever, bearing in mind that it is valid for one device only and must be therefore deactivated on any previous devices before reactivating on a new device. 

Upgrade from Windows 8/8.1 Professional to Windows 10

If you wish to upgrade your Windows 8 operating system to Windows 10, this is now possible with Mr Key Shop. All instructions will be sent via email along with the original Microsoft activation key. Click here for all the information

System requirements