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Buy a Windows Server 2025 licence

Genuine Microsoft Windows Server 2025 licences for businesses. NIS 2-compliant IT security, full audit compliance and precise core planning for your server infrastructure.

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Microsoft Windows Remote Desktop Services 2025 50-user CAL (PC)
  • Editions Windows
  • Language Multilingual, German
€1,609.84* €2,497.89* -35.55%
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€14,989.00* €15,549.00* -3.6%
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€10,369.00* €12,649.00*
30-day best price: €11,899.00*
-18.03%
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Microsoft Windows Server 2025 Datacenter | Unlimited virtualisation
  • Editions Windows
  • Language Multilingual, German
€2,539.95* €3,189.99* -20.38%
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€37.95* €39.99* -5.1%
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Microsoft Windows Server 2025 Essentials
  • Editions Windows
  • Language Multilingual, German
€374.95* €419.88* -10.7%
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Microsoft Windows Server 2025 Standard + 10-pack User CALs Bundle
  • Editions Windows
  • Language Multilingual, German
€876.94* €1,099.00* -20.21%
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Average rating of 5 out of 5 stars

Microsoft Windows Server 2025 Standard + SQL Server 2025 Standard Bundle
  • Editions Windows
  • Language Multilingual, German
€1,419.29* €1,699.00* -16.46%
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Microsoft Windows Server 2025 Standard | 24-core licence | NIS-2-optimised infrastructure
  • Licence type OEM
  • Editions Windows
  • Language Multilingual, German
€499.44* €549.87* -9.17%
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Average rating of 5 out of 5 stars

Microsoft Windows Server 2025 Standard | Hybrid cloud operating system | Core-based licensing
  • Editions Windows
  • Language Multilingual
€449.68* €729.00* -38.32%
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Microsoft Windows Server 2025 User CAL | Access licence for 1 user
  • Editions Windows
  • Language Multilingual, German
€42.99*
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Average rating of 5 out of 5 stars

Microsoft Windows Server 2025 User CAL | Pack of 5
  • Editions Windows
  • Language Multilingual, German
From €164.99*
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Microsoft Windows Server 2025 User CAL | Pack of 10
  • Editions Windows
  • Language Multilingual, German
€294.94* €318.68* -7.45%

What is Windows Server 2025?

Overview of the Microsoft server operating system

Windows Server 2025 is a professional server operating system designed specifically for corporate networks, data centres and cloud infrastructures. It provides a central platform for managing users, devices, applications and data within an organisation.

Typical server roles include, for example:

  • Domain controller for Active Directory
  • File and print servers
  • Virtualisation server
  • Database server
  • Remote Desktop Server
  • Application server

By integrating numerous Microsoft technologies, Windows Server enables centralised and secure management of the entire IT infrastructure.

Differences from Windows Server 2022

Windows Server 2025 builds on the architecture of Windows Server 2022 and enhances it with new features and improvements. Particular emphasis is placed on:

  • stronger security mechanisms
  • better integration into cloud and hybrid environments
  • more efficient system management
  • higher performance on modern hardware platforms

As a result, organisations benefit from an even more stable and scalable server platform.

Support lifecycle and enterprise deployment

Windows Server 2025 is part of Microsoft’s Long-Term Servicing Channel (LTSC) product line. This ensures that organisations receive security updates and technical support for many years to come.

The operating system is particularly suitable for:

  • Enterprise servers
  • Data centres
  • Virtualisation platforms
  • Hybrid cloud infrastructures
  • IT infrastructures with high security requirements

New features and improvements in Windows Server 2025

Enhanced virtualisation with Hyper-V

The integrated Hyper-V virtualisation platform has been further optimised, enabling more efficient use of server hardware. Organisations can run multiple virtual machines on a single physical server, thereby reducing costs and energy consumption.

New improvements include, amongst other things:

  • optimised memory management
  • improved performance for virtual workloads
  • greater scalability for large virtualisation environments

Hybrid cloud integration with Microsoft Azure

A key focus of Windows Server 2025 is integration with Microsoft Azure. Organisations can combine on-premises server environments with cloud services to build a flexible hybrid cloud infrastructure.

Possible scenarios include:

  • Cloud backup and disaster recovery
  • Hybrid server management
  • Extending on-premises infrastructure to the cloud

This integration makes it easier for organisations to transition to modern cloud strategies.

Enhanced security features for enterprise servers

Security plays a crucial role in modern IT infrastructures. Windows Server 2025 therefore offers additional security mechanisms to protect against cyber-attacks and unauthorised access.

Key improvements include:

  • enhanced identity protection mechanisms
  • improved encryption technologies
  • integrated security features for network services
  • protection of sensitive business data

These features help organisations better secure their IT environment against current threats.

Hotpatching and simplified updates

A key new feature is support for hotpatching. This allows security updates to be installed without the need to restart the server. Particularly in production server environments, this reduces downtime and increases the availability of critical systems.

Administrators also benefit from improved management and automation features that significantly simplify server operations.

Comparison of Windows Server 2025 editions

Microsoft offers Windows Server 2025 in several editions, designed for different company sizes and requirements.

Windows Server 2025 Essentials

The Essentials Edition is primarily aimed at small businesses with a manageable IT infrastructure. It offers basic server functions and simple management for smaller networks.

Windows Server 2025 Standard

Windows Server 2025 Standard is suitable for businesses with standard server requirements and moderate virtualisation environments. This edition offers comprehensive features for network management, Active Directory and virtualisation.

Windows Server 2025 Datacentre

The Datacentre Edition is designed for large organisations and data centres. It offers extended virtualisation rights as well as additional features for highly scalable and software-defined data centre environments.

Which server edition is the right one?

Which edition is suitable depends on various factors:

  • Size of the organisation
  • Number of virtual machines
  • Virtualisation requirements
  • Existing IT infrastructure

Small businesses often use Essentials, whilst larger organisations usually opt for Standard or Datacentre. We’d be happy to advise you on choosing the right Windows Server 2025 licence and assist you with any queries regarding the correct edition, licensing and activation.

System requirements for Windows Server 2025

Minimum hardware requirements

The following minimum requirements apply to the installation of Windows Server 2025:

  • 64-bit processor with a clock speed of at least 1.4 GHz
  • at least 2 GB RAM (more if using a graphical user interface)
  • At least 32 GB of free disk space
  • Network adapter with Gigabit support

These requirements enable a basic installation of the system.

Recommended server hardware

For production server environments, significantly more powerful systems are recommended. Organisations generally opt for:

  • multiple CPU cores
  • at least 16–64 GB of RAM
  • fast SSD or NVMe storage
  • redundant network connections

The actual requirements depend heavily on the server roles and applications in use.

Compatibility with modern server infrastructure

Windows Server 2025 supports modern hardware platforms as well as the latest virtualisation and networking technologies. This allows the operating system to be seamlessly integrated into existing IT infrastructures or used as the foundation for new server environments.

Typical use cases for Windows Server 2025

File and network servers in the enterprise

Many organisations use Windows Server as a central platform for file and network services. Staff can collaborate on files, store data securely and manage organisational resources.

Virtualisation and data centres

With Hyper-V, Windows Server enables the virtualisation of servers and applications. Organisations can run multiple systems on a single piece of hardware and utilise their IT resources more efficiently.

Remote Desktop Services (RDS)

Windows Server is frequently used for Remote Desktop Services. This enables staff to securely access company applications and desktops from various locations.

Database and application servers

Windows Server is also widely used as a platform for business software or databases – for example, in SQL Server environments. Its stable architecture ensures the reliable processing of large volumes of data.

Buy Windows Server 2025 licences from LizenzDeals24

At LizenzDeals24, businesses can obtain genuine Microsoft Windows Server 2025 licences at attractive prices. Our offering is aimed in particular at companies, IT service providers and organisations that require a reliable and legally compliant server licence for their IT infrastructure.

We offer various editions of Windows Server 2025 – including Standard and Datacentre – as well as the corresponding client access licences (CALs). This allows you to flexibly adapt your server environment to the requirements of your business.

Your benefits with LizenzDeals24:

  • verified and genuine software licences
  • fast digital delivery by email
  • Simple activation of the server licence
  • expert technical support for installation and activation

If you’re unsure which Windows Server 2025 edition or licence is suitable for your environment, we’d be happy to advise you personally and help you choose the right solution for your business.

FAQ: Frequently Asked Questions about Windows Server 2025

Yes, in most cases, so-called Client Access Licences (CALs) are required in addition to the server licence. These access licences enable users or devices to access Windows Server services. Depending on the infrastructure, either User CALs or Device CALs are used.
An upgrade from Windows Server 2022 to Windows Server 2025 is generally possible. However, before upgrading, you should check whether your hardware, applications and server roles are fully compatible. In many cases, it is also advisable to back up your data and plan the migration carefully.
Yes, Windows Server 2025 supports what is known as an ‘in-place upgrade’ under certain conditions. This involves updating the existing system without having to reinstall applications and settings. The prerequisites are a compatible source version and a supported server edition.
Windows Server 2025 is used in businesses for a wide range of tasks, such as a file and network server, domain controller, virtualisation platform, database server or Remote Desktop Server. Thanks to its high stability and security, it forms the basis of many modern business networks.