Microsoft

Windows 8.1 Pro

One-time payment

€16.52excl. VAT

Available to order

Delivered after a quick manual verification — typically the same day.

14-day refund on unrevealed keys

Genuine licence, EU invoice included

Sold by Kiaveo

Independent EU software reseller

✓ Official invoice

About this licence

Windows 8.1 Pro is a professional edition of Microsoft's operating system, offering enhanced features for business and power users. It includes improved security, remote desktop capabilities, and compatibility with a wide range of business applications. The system was first released on October 18, 2013, providing an updated interface and performance optimizations over previous versions. The digital key activates one seat of Windows 8.1 Pro on compatible hardware. Each purchase includes a valid VAT invoice and activation support from the supplier. The license is provided for lawful resale and does not include automatic renewal or extension unless specified.

What's included

Professional edition for business use
Enhanced security features
Remote desktop capability
Compatible with business applications
delivery timing shown before payment
Includes VAT invoice

Frequently asked questions

How do I receive my Windows 8.1 Pro license?

Your Windows 8.1 Pro license key is delivered digitally immediately after purchase. You will receive the key via email or through your account dashboard. The key can be used to activate one installation of Windows 8.1 Pro on compatible hardware. The delivery method ensures you can begin using your software without waiting for physical shipment.

What support is included with my purchase?

Each purchase includes activation support from the supplier to help with the installation and activation process. You will also receive a valid VAT invoice with your purchase. The supplier provides genuine software licenses acquired for lawful resale. For technical support beyond activation, please refer to Microsoft's official support channels.

Can I use this license for multiple computers?

The Windows 8.1 Pro license key activates one seat of the operating system on a single computer. The license is not transferable between devices after activation. For multiple installations, you would need to purchase additional licenses. The product does not include volume licensing or enterprise deployment options.

Product details

Brand	Microsoft
Category	Windows
Edition	Pro
License	Standard
Delivery	Digital key — secure order-page delivery
Invoice	EU invoice included

System requirements

Processor: 1 GHz or faster, PAE, NX and SSE2 compatible. RAM: 1 GB for 32-bits or 2 GB for 64-bits
Hard disk space: 16 GB for 32-bits or 20 GB for 64-bits
Graphics card: Microsoft
DirectX 9 graphics device with WDDM driver.

Activation & installation overview

1Download the Media Creation Tool from Microsoft’s official site.
2Create install media or upgrade in place (matching edition).
3Complete setup — choose ‘I don’t have a key’ if asked.
4Settings → Activation → Change product key, then enter your key.

This is a general activation overview; publisher screens can vary by edition and version.

Additional information

You can find more information on the official product website. If you have any questions left, we will be happy to help you through our live online chat right now.

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