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Windows 8.1 — Product Key (Windows)
  • Genuine license checked before delivery
  • Sent by email usually within a few hours
  • Secure payment by Hotmart
  • Human support until it’s activated

Microsoft · Windows

Windows 8.1

Windows 8.1 license for older computers and software that require this version of Windows.

$14
Buy now — $14

Secure checkout by Hotmart · Card & local payment methods · License sent to your email

Need more than one license? Email us at contact@obhsoftwares.com

Good to know: Microsoft has ended support for this version, which means no more security updates. For new computers we recommend Windows 11.

About Windows 8.1

Windows 8.1 is the operating system from Microsoft that runs your PC: the desktop, your apps, security and updates. With a genuine Windows 8.1 product key you activate Windows permanently, remove the “Activate Windows” watermark and unlock personalization, security updates and all edition features.

Choose Windows 8.1 if you are building a new PC, replacing a hard drive, upgrading an unactivated computer or equipping office workstations.

What you receive with your order

  • A genuine Windows 8.1 product key — Lifetime license · 1 PC
  • Delivery by email to the address used at checkout (usually within a few hours)
  • A step-by-step installation and activation guide
  • An invoice from OBH SOFTWARES LTD on request
  • Human support by email until the software is activated

Why buy Windows 8.1 from OBH Softwares?

We have sold software licenses since 2017 to more than 5,000+ customers, from individuals to IT companies and resellers. Every license is checked before it is sent. If a key does not activate, we replace it or refund you.

Windows 8.1 key features

  • Start screen with live tiles and desktop mode
  • Windows Defender built in
  • Works on older hardware
PublisherMicrosoft
PlatformWindows
LicenseLifetime license · 1 PC
DeliveryEmail · digital

Windows 8.1 system requirements

  • 1 GHz processor
  • 1 GB RAM (32-bit) or 2 GB RAM (64-bit)
  • 16–20 GB free storage

Minimum requirements published by Microsoft. Check the publisher’s website for the complete list.

How to install and activate Windows 8.1

  1. Open Settings › System › Activation
  2. Click “Change product key”
  3. Enter the 25-character key from your email
  4. Confirm — Windows activates in a few seconds

A detailed guide comes with your license. If anything goes wrong, reply to the delivery email and we help you until it’s activated.

Windows 8.1 — frequently asked questions

Is this a one-time payment?

Yes. You pay once; there is no monthly fee for this license.

Can I get an invoice?

Yes. Reply to your order email with your company details and we will send an invoice.

What if the key does not activate?

Contact us with your order number. We help you activate it, and if the key is faulty we replace it or refund you.

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Windows 8.1$14
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