Key features
Start menu
Navigation
- Custom pins
- Integrated search
- Recommended apps
Windows Security
Protection
- Built-in antivirus
- Firewall
- Secure browsing
Microsoft Store
Applications
- Verified apps
- Automatic updates
- Games and utilities
Multimedia
Photos and videos
- Built-in Photos
- Screenshot
- Video editor
Windows 8.1
Perpetual license - PC installation - Official Microsoft online activation
Only 45 licenses left at this price
Official Microsoft license verified on Microsoft servers.
Pourquoi choisir Windows 8.1 ?
- Intuitive, modern interface for your everyday use
- Built-in Windows security with antivirus and firewall
- Compatibility with your favorite games and applications
- Automatic security and feature updates
- Perpetual license, no monthly fees
- Official activation via Microsoft servers
Windows 8.1
Windows 8.1 is the ideal operating system for everyday use. Web browsing, office work, streaming, gaming — everything runs smoothly with a clear, intuitive interface.
Security is built in natively: Windows Defender antivirus, firewall, real-time protection. No need to buy a separate antivirus. Perpetual license, official online activation.
Home users
A complete, intuitive system for your everyday use: web, office, multimedia.
Students
The perfect environment for your classes, homework and projects, with built-in Microsoft tools.
Families
Protect your loved ones with parental controls and the built-in security of Windows.
Gamers
Compatible with your favorite games, optimized for graphics performance.
The strengths of Windows 8.1
Modern UI interface
Start screen with live tiles and the classic desktop just one click away.
Built-in security
Windows Defender and firewall for effective baseline protection.
Fast startup
Optimized boot for startup in just a few seconds.
Cloud integration
Built-in OneDrive sync and Microsoft account.
Technical specifications
System requirements
| Processor | 1 GHz or faster with PAE, NX and SSE2 |
| RAM | 1 GB (32-bit) or 2 GB (64-bit) |
| Disk space | 16 GB (32-bit) or 20 GB (64-bit) |
| Display | 1024 x 768 pixels |
| Graphics card | DirectX 9 compatible with WDDM 1.0 driver |
| Internet | Connection required for activation |
License information
| License type | Perpetual (lifetime) |
| Users | 1 user |
| Devices | 1 PC |
| Reinstalls | Unlimited on the same device |
| Language | Multilingual (English included) |
| Activation | Online via Microsoft servers |
| Support | 24/7 technical assistance |
| Updates | Security updates included |
Windows 8.1 features
Modernized interface
Redesigned Start menu and a smooth interface for a pleasant everyday experience.
Windows security
Built-in antivirus, firewall and real-time protection so you can browse with peace of mind.
Entertainment
Built-in Xbox, game streaming and compatibility with your favorite games.
Updates
Automatic security updates and regular new features.
Verified customer reviews
Euro Shop Key is top notch, responsive! No problem with my license. I strongly recommend this seller.
Good product as described, bought on Euro Shop Key. Works perfectly. I'm happy with my purchase.
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Installation Guide
Activating your Windows 8.1 license only takes a few minutes. Here is the step-by-step procedure to follow.
Download Windows 8.1
Download the ISO image from the Microsoft website or use the link provided in your confirmation email.
Create installation media
Burn the ISO to a DVD or create a bootable USB drive with a tool such as Rufus.
Install the system
Boot your PC from the installation media and follow the wizard. Enter your product key when prompted.
Verify activation
Go to PC Settings > Activation to confirm that your license is properly active.
Need help?
How It Works
Get and activate your Microsoft license in just 3 simple steps
Pay
Make a 100% secure payment through our partner Paypal.
Activate
Receive your key instantly by email with a detailed installation guide. Our support is available 7/7 if needed.
Frequently asked questions
How do I activate my Windows 8.1 license?
After your purchase, you receive your key by email within a few minutes. Go to Settings > System > Activation, click “Change product key” and enter your key. Activation is done online via the Microsoft servers.
What are the limitations compared to the Pro version?
Is the Windows 8.1 license perpetual?
Can I reinstall Windows 8.1 after formatting?
What happens if I have an issue during activation?
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