Windows 8.1 Pro OEM Key -

Windows 8.1 Pro OEM Key

€ 2.99
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Product Info

Product: Microsoft Windows 8.1 Pro

Platform: Microsoft Windows

Region: Global

This product can be activated or used worldwide.

This product is valid for activating both 32/64 bit devices.


Buy Windows 8.1 Pro OEM License Key at cheapest price only on PremiumCDKeys with Instant Email Delivery through PayPal and Bitcoin.

Windows 8.1 aimed to address complaints of Windows 8 users and reviewers on launch. Visible enhancements include an improved Start screen, additional snap views, additional bundled apps, tighter OneDrive (formerly SkyDrive) integration, Internet Explorer 11, a Bing-powered unified search system, restoration of a visible Start button on the taskbar, and the ability to restore the previous behavior of opening the user's desktop on login instead of the Start screen. Windows 8.1 also added support for such emerging technologies as high-resolution displays, 3D printing, Wi-Fi Direct, and Miracast streaming, as well as the ReFS file system.

Windows 8.1 received more positive reception than Windows 8, with critics praising the expanded functionality available to apps in comparison to Windows 8, its OneDrive integration, along with its user interface tweaks and the addition of expanded tutorials for operating the Windows 8 interface. Despite these improvements, Windows 8.1 was still criticized for not addressing all digressions of Windows 8 (such as a poor level of integration between Metro-style apps and the desktop interface), and the potential privacy implications of the expanded use of online services. As of February 2020, 4.82% of traditional PCs running Windows are running Windows 8.1

How to Activate

If you don't have Windows 8.1 Professional edition already installed, we recommend you first download and install it from here:

To Activate Windows 8.1 Professional with OEM Key follow this:

1.Click on Start Button and type "PC Settings"

2.Select "PC Settings" from results

3.Choose Activate Windows

4.Enter the Product Key you received after purchase

5.Done, now your Windows is activated

If you encounter any error after entering the Product Key then follow this:

1.In Search type "slui 04" and click on it

2.Select your region from the dropdown

3.Call the toll-free number and they will guide you and provide you with your Confirmation ID

If you encounter any other errors or face any issues, please make sure to contact us through our Contact page or email us at "". Our support team is available 24/7 at your service.

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