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Microsoft 32 / 64 Bits Genuine Windows 8.1 Pro OEM Key Update Product Key
windows 8.1 Professional Activation Key is the genuine license for windows 8.1 Professional product. The products will be registered online in the offical site and receive offical updates & service support. It activates your copy of software or system installed either online or from a genuine DVD, saving both your time and budget.
Software Sub Type
Your familiar desktop:
From the Start screen, you're just a click away from the familiar Windows desktop you know, so you can do the stuff you've always done.
Your own unique start screen:
Personalize your Start screen with your favorite news, friends, social networks, and apps.Customizable colors and backgrounds and four different sizes of tiles make your Windows as unique as you are.
Mouse, keyboard, and now touch:
Windows 8.1 Pro works with different types of devices, including touch, mouse-and-keyboard, or both.
Discover fast and fluid ways to switch between apps, move things around, and go smoothly from one place to another.
The apps you want:
In addition to great built-in apps for email, people, photos, and video editing, you can also download thousands of popular apps from the Windows Store, including Netflix, ESPN, Skype, and Halo: Spartan Assault.
Your Office, your way:
Experience Office at its best on Windows 8.1 devices. Discover new and better ways to create, edit, and browse-using a keyboard, pen, or touchscreen.
Don't forget: Office is not part of Windows 8.1 Pro.
requirements to use certain features:
To use touch, you need a tablet or a monitor that supports multitouch
To access the Windows Store and to download, run, and snap apps, you need an active Internet connection and a screen resolution of at least 1024 x 768
Microsoft account required for some features
Internet access (ISP fees might apply)
Secure boot requires firmware that supports UEFI v2.3.1 Errata B and has the Microsoft Windows Certification Authority in the UEFI signature database
Some games and programs might require a graphics card compatible with DirectX 10 or higher for optimal performance
Watching DVDs requires separate playback software
Windows Media Center license sold separately
BitLocker To Go requires a USB flash drive (Windows 8.1 Pro only)
BitLocker requires either Trusted Platform Module (TPM) 1.2 or a USB flash drive (Windows 8.1 Pro only)
Client Hyper-V requires a 64-bit system with second level address translation (SLAT) capabilities and additional 2 GB of RAM (Windows 8.1 Pro only)
A TV tuner is required to play and record live TV in Windows Media Center (Windows 8.1 Pro Pack and Windows 8.1 Media Center Pack only)
Miracast requires a display adapter which supports Windows Display Driver Model (WDDM) 1.3, and a Wi-Fi adapter that supports Wi-Fi Direct
Wi-Fi Direct Printing requires a Wi-Fi adapter that supports Wi-Fi Direct and a device that supports Wi-Fi Direct Printing
Free internet TV content varies by geography, some content might require additional fees (Windows 8.1 Pro Pack and Windows 8.1 Media Center Pack only)
To install a 64-bit OS on a 64-bit PC, your processor needs to support CMPXCHG16b, PrefetchW, and LAHF/SAHF
InstantGo works only with computers designed for Connected Standby