Eurooppalainen yritys, kotipaikka Ranska Erinomainen4,9/5Trustpilot1 800+ reviews Elinikäinen vaihtotakuu Sähköpostituki 24/7
Windows 8.1 Professional
UUSI

Key features

BitLocker

Disk encryption

  • Data protection
  • AES 256-bit encryption
  • TPM/PIN unlock

Remote Desktop

Remote access

  • Native RDP connection
  • Access from any device
  • File transfer

Hyper-V

Virtualization

  • Virtual machines
  • Environment isolation
  • Testing and development

Advanced security

Enhanced protection

  • Windows Defender
  • Smart firewall
  • Real-time protection

Windows 8.1 Professional

Perpetual license - PC installation - Official Microsoft online activation

Excellent4,9/51 800+ reviewsTrustpilot
Toimitus 5 minuutissa
Elinikäinen vaihtotakuu
6,99 € 17,48 € -60%
100% Satisfied

Official Microsoft license verified on Microsoft servers.

Valitkaa lisenssinne

Windows 8.1 Professional - 1 PC

1 PC license

6,99 € 17,48 € -60%
  • Installation on 1 PC
SUOSITTU

Windows 8.1 Professional - 2 PC

2 PC license

8,74 € 34,96 € -75%
  • Installation on 2 PCs
PARAS TARJOUS

Windows 8.1 Professional - 5 PC

5 PC bundle

17,48 € 87,40 € -80%
  • Installation on 5 PCs
100% turvallinen maksu
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100% Genuine
Official Microsoft license
Instant delivery
By email within 5 minutes
Lifetime license
No subscription
Support 7 days a week
Reply within 2 hours on average

Why choose Windows 8.1 Professional?

  • BitLocker encryption to protect your professional data
  • Built-in Remote Desktop to work from anywhere
  • Hyper-V to create virtual machines without additional software
  • Join an Active Directory or Azure AD domain with complete ease
  • Perpetual license without a recurring subscription
  • Official activation via the Microsoft servers

Windows 8.1 Professional

Windows 8.1 Professional is the professional edition of Windows 8.1, designed for those who need to go beyond the consumer version. It includes BitLocker encryption, Remote Desktop, Hyper-V and domain join — practical tools to work efficiently, whether you’re a freelancer or a business.

With a perpetual license, you pay once and keep your system for life. Activation is done online directly on Microsoft servers, in just a few clicks.

Independents & freelancers

Work with professional tools (BitLocker, Remote Desktop) without the complexity of an enterprise license.

SMBs & small businesses

Equip your team with a system that integrates with Active Directory and professional management tools.

Developers

Test your applications in isolated environments with natively built-in Hyper-V.

Remote workers

Access your workstation remotely via Remote Desktop, from any device.

The strengths of Windows 8.1 Professional

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

Processor1 GHz or faster with PAE, NX and SSE2
RAM1 GB (32-bit) or 2 GB (64-bit)
Disk space16 GB (32-bit) or 20 GB (64-bit)
Display1024 x 768 pixels
Graphics cardDirectX 9 compatible with WDDM 1.0 driver
InternetConnection required for activation

License information

License typePerpetual (lifetime)
Users1 user
Devices1 PC
ReinstallationsUnlimited on the same device
LanguageMultilingual (English included)
ActivationOnline via the Microsoft servers
SupportTechnical assistance 7 days a week
UpdatesSecurity updates included

Windows 8.1 Professional features

BitLocker

Full hard-drive encryption to secure all your sensitive data against theft or loss.

Remote Desktop

Connect to your PC from anywhere thanks to the natively integrated RDP protocol.

Hyper-V

Create and manage virtual machines directly from your workstation, without third-party software.

Advanced management

Group policies, Azure AD Join and device management for professional environments.

Asiakasarvostelut

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D
Dominique
10 kuukautta sitten

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MN
Moussa N.
1 vuosi sitten

Trustworthy company. Euro Shop Key makes Microsoft software accessible at reasonable prices. Very satisfied with my purchase.

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Yves C.
1 vuosi sitten

Unbeatable price on Euro Shop Key and fast reply from the seller. Great buying experience!

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Installation Guide

Activating your Windows 8.1 Professional license only takes a few minutes. Here is the step-by-step procedure to follow.

1

Download Windows 8.1 Professional

Download the ISO image from the Microsoft website or use the link provided in your confirmation email.

2

Create installation media

Burn the ISO to a DVD or create a bootable USB drive with a tool such as Rufus.

3

Install the system

Boot your PC from the installation media and follow the wizard. Enter your product key when prompted.

Tip
You can also skip entering the key during installation and enter it later in the system settings.
4

Verify activation

Go to PC Settings > Activation to confirm that your license is properly active.

Congratulations!
Your Windows 8.1 Professional is ready to use.

Need help?

Customer support

Assistance from our experts, 7 days a week

Help center

Detailed guides and FAQ

OSTOPROSESSI

Näin se toimii

Hankkikaa ja aktivoikaa Microsoft-lisenssinne vain 3 yksinkertaisella askeleella

1

Valitkaa

Valitkaa Windows 8.1 Professional -lisenssi tai -paketti ja lisätkää se ostoskoriin.

2

Maksa

Maksa turvallisesti kortilla, Apple Paylla, Google Paylla tai Bancontactilla.

Visa Mastercard American Express Apple Pay Google Pay Bancontact
3

Aktivoikaa

Saat avaimesi heti sähköpostitse yksityiskohtaisen asennusoppaan kera. Tarvittaessa tukemme vastaa sähköpostitse 24/7.

Toimitus 5 minuutissa

Usein kysytyt kysymykset

How do I activate my Windows 8.1 Professional 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 advantages does it offer over the Home version?

Is the Windows 8.1 Professional license perpetual?

Can I reinstall Windows 8.1 Professional after formatting?

What happens if I have an issue during activation?

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Euro Shop Key