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Operating systems

An operating system is necessary to use a PC, laptop, or tablet at all – without one, even the best technology won't work. Operating system software like Windows is the most widely used worldwide because it is regularly updated, runs reliably, and is easy to use. When it comes to PC operating systems, Windows offers the freedom to use different brands and programs without restrictions. At Lizenguistiger, you'll find all Windows operating systems – including Windows 10 Home andWindows 11 Homeas well as many older versions – fast, secure and at an affordable price.

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  • Windows 11 Pro - Lizenzgünstiger Windows 11 Pro - Lizenzgünstiger
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    Windows 11 Pro

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    Sale price From €17,99 Regular price €179,99
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  • WINDOWS 10 PRO - Lizenzgünstiger
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    WINDOWS 10 PRO

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    Sale price From €11,99 Regular price €24,99
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  • Windows 11 Home - Lizenz Inhalte von Windows 11 Home
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    Windows 11 Home

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    Sale price From €15,99 Regular price €149,99
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  • Windows 10 Home - Lizenzgünstiger
    Up to 48% off
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    Windows 10 Home

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    Sale price From €11,99 Regular price €22,99
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  • Windows 7 Pro - Lizenzgünstiger
    20% off

    Windows 7 Pro

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    Sale price €11,99 Regular price €14,99
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  • Windows 7 Home Premium - Lizenzgünstiger
    23% off

    Windows 7 Home Premium

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    Sale price €9,99 Regular price €12,99
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  • Windows 10 Education - Lizenzgünstiger
    Up to 45% off

    Windows 10 Education

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    Sale price From €21,99 Regular price €39,99
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  • Windows 10 S - Lizenz
    54% off

    Windows 10 S

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    Sale price €12,99 Regular price €27,99
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Buy operating systems cheaply at Lizenzgünstiger

Welcome to Lizenzgünstiger! In our category Operating systems You will find a wide selection of current and proven Windows operating systems from Microsoft. Whether you are setting up a new computer or want to upgrade your existing system – we have the right licenses for Windows 11 Pro License , Windows 11 Professional , Windows 10 and many other operating systems at unbeatable prices.

Our selection of operating systems

We offer a wide selection of Windows operating systems suitable for both personal and business use. Popular options in our store include:

  • Windows 11 Pro License – Ideal for modern PCs with advanced features for businesses and professionals.
  • Windows 11 Professional – Microsoft’s latest operating system with enhanced security and productivity.
  • Windows 10 – A proven solution for productivity and compatibility with numerous applications.
  • Windows Server – Perfect for IT infrastructures and professional use in companies.


Fast digital delivery and immediate installation

When you purchase a license for a Windows operating system from Lizenzgünstiger, you will receive the license key via email immediately after purchase. This allows you to download and install your system directly – without delay. Whether you are looking to upgrade to Windows 11 Professional are or Windows 10 for a stable system – we offer you the right solution for a quick Windows purchase.

Compatible software and add-ons

Are you looking for additional software for your operating system? Here you will find Office 2024 , Windows Server and many other programs that work perfectly with your Windows operating system. This ensures your computer runs optimally and you can work productively.

Buy Win 10 Key – Fast, secure and delivered immediately

At Lizenzgünstiger, we are characterized by experience, quality, and customer-oriented service. With our years of expertise in the software sector, we offer you reliable operating system software that precisely meets your requirements – quickly and at a fair price.

Get your Windows 11 PC ready quickly and easily

When you order from Lizenzgünstiger – whether you want Windows 11 Home and Windows 11 Pro or one of the popular Windows 10 editions such as Windows 10 Home or Windows 10 Pro – you'll receive everything immediately via email. Your product key, invoice, and access to your customer account will be available immediately after purchase. This way, you can get your PC or Mac up and running in no time – quickly, securely, and reliably.

Now with 10% discount on your first order

Benefit from our exclusive offer! Sign up for our newsletter and secure 10% discount on your first order—including all operating systems in our shop. This way you save even more!

Our support is there for you

If you have any questions about installation or selecting the right Windows operating system, our support team is here to help. Contact us by phone, email, or live chat – we'll be happy to help!

Buy operating system without waiting

Regardless of whether Windows 11 Home , Windows 10 Home or other Windows operating systems – with us, purchasing is easy and straightforward. If you have any questions or problems, our support team is available – you'll often receive the right solution in just a few minutes.

How much does Windows 11 cost?

Prices for Windows 11 vary depending on the edition. In our shop you will find great deals for Windows 11 Pro License . Windows has never been easier – stop by and secure your license at the best price!

Frequently Asked Questions
  • Muss man Windows mehrmals kaufen?

    Nein, wenn sie ein betriebssystem kaufen, gilt die lizenz dauerhaft für das jeweilige gerät – außer bei größerem hardwarewechsel.

  • Wie bekommt man eine echte Windows-Version?

    Echte versionen erhalten sie, wenn sie bei seriösen anbietern wie lizenguistiger einen windows 10 key kaufen oder eine windows 11 pc-lizenz erwerben.

  • Kann man Windows ohne Kauf verwenden?

    Ja, aber ohne aktivierung fehlen funktionen. Besser ist es, einen win 10 key zu kaufen, um alle vorteile zu nutzen.

  • Wie aktiviert man Windows richtig?

    Nach dem kauf geben sie den produktschlüssel in den einstellungen ein – so aktivieren sie ihre betriebssystem software sicher.

  • Welche Benutzerarten gibt es unter Windows?

    In betriebssystemen für computer gibt es standardnutzer und administratoren mit verschiedenen rechten und zugriffen.

  • Wie setzt man Windows 10 zurück?

    Unter einstellungen > update & sicherheit > wiederherstellung können sie ihr win 10 betriebssystem einfach zurücksetzen.

  • Warum sollte man Windows 11 kaufen?

    Ein windows 11 pc bietet bessere leistung, sicherheit und moderne funktionen – ideal für alle betriebssysteme für pc