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Operating systems

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Operating system

— the operating system (OS) is the software environment in which all other software installed on the computer runs. The presence of an OS is mandatory; without it, the computer simply will not be able to fully function. A modern "OS" necessarily has a graphical interface, and is also equipped with an extensive set of built-in tools: a web browser, a multimedia player, an image viewer, sometimes the simplest graphic and video editors, etc. The most popular OS family today is Windows, the same systems are most often sold as separate software products (other popular desktop OSes are distributed mainly in other ways).
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HP HPE Microsoft Windows Server 10 Devices CAL WW LTU P77115-B21 2025
from £336.07 up to £502.32 
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Are security threats performance issues and hybrid environments limiting your organization's ability to scale and innovate? Microsoft Windows Server 2025 secures and optimizes your infrastructure ensu more→ring future-readiness and agility. It builds on proven security and hybrid capabilities introducing enhanced performance for compute-intensive workloads like ML and AI. Optimized for both cloud and on-premises use it integrates seamlessly with Microsoft Azure Arc to maximize your hybrid multicloud and edge IT environments. Paired with HPE servers Windows Server 2025 delivers optimized hardware-software integration enhanced performance and robust security. With the new digital media delivery user …
HP HPE Microsoft Windows Server 16-core Standard Additional License WW SW P77104-B21 2025
from £987.43 up to £1,485.49 
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Are security threats performance issues and hybrid environments limiting your organization's ability to scale and innovate? Microsoft Windows Server 2025 secures and optimizes your infrastructure ensu more→ring future-readiness and agility. It builds on proven security and hybrid capabilities introducing enhanced performance for compute-intensive workloads like ML and AI. Optimized for both cloud and on-premises use it integrates seamlessly with Microsoft Azure Arc to maximize your hybrid multicloud and edge IT environments. Paired with HPE servers Windows Server 2025 delivers optimized hardware-software integration enhanced performance and robust security. With the new digital media delivery user …
HP HPE Microsoft Windows Server 2-core Standard Additional License WW SW P77106-B21 2025
from £158.11 up to £195.68 
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Are security threats performance issues and hybrid environments limiting your organization's ability to scale and innovate? Microsoft Windows Server 2025 secures and optimizes your infrastructure ensu more→ring future-readiness and agility. It builds on proven security and hybrid capabilities introducing enhanced performance for compute-intensive workloads like ML and AI. Optimized for both cloud and on-premises use it integrates seamlessly with Microsoft Azure Arc to maximize your hybrid multicloud and edge IT environments. Paired with HPE servers Windows Server 2025 delivers optimized hardware-software integration enhanced performance and robust security. With the new digital media delivery user …
HP HPE Microsoft Windows Server 4-core Datacenter Additional License WW SW P77108-B21 2025
from £1,171.77 up to £1,759.55 
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Are security threats performance issues and hybrid environments limiting your organization's ability to scale and innovate? Microsoft Windows Server 2025 secures and optimizes your infrastructure ensu more→ring future-readiness and agility. It builds on proven security and hybrid capabilities introducing enhanced performance for compute-intensive workloads like ML and AI. Optimized for both cloud and on-premises use it integrates seamlessly with Microsoft Azure Arc to maximize your hybrid multicloud and edge IT environments. Paired with HPE servers Windows Server 2025 delivers optimized hardware-software integration enhanced performance and robust security. With the new digital media delivery user …
HP HPE Microsoft Windows Server 4-core Standard Additional License WW SW P77105-B21 2025
from £258.61 up to £387.54 
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Are security threats performance issues and hybrid environments limiting your organization's ability to scale and innovate? Microsoft Windows Server 2025 secures and optimizes your infrastructure ensu more→ring future-readiness and agility. It builds on proven security and hybrid capabilities introducing enhanced performance for compute-intensive workloads like ML and AI. Optimized for both cloud and on-premises use it integrates seamlessly with Microsoft Azure Arc to maximize your hybrid multicloud and edge IT environments. Paired with HPE servers Windows Server 2025 delivers optimized hardware-software integration enhanced performance and robust security. With the new digital media delivery user …
HP HPE Microsoft Windows Server 5 Devices CAL WW LTU P77113-B21 2025
from £169.59 up to £249.94 
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Are security threats performance issues and hybrid environments limiting your organization's ability to scale and innovate? Microsoft Windows Server 2025 secures and optimizes your infrastructure ensu more→ring future-readiness and agility. It builds on proven security and hybrid capabilities introducing enhanced performance for compute-intensive workloads like ML and AI. Optimized for both cloud and on-premises use it integrates seamlessly with Microsoft Azure Arc to maximize your hybrid multicloud and edge IT environments. Paired with HPE servers Windows Server 2025 delivers optimized hardware-software integration enhanced performance and robust security. With the new digital media delivery user …
HP HPE Microsoft Windows Server Remote Desktop Service 1 User CAL WW LTU P77118-B21 2025
from £218.83 up to £347.45 
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Are security threats performance issues and hybrid environments limiting your organization's ability to scale and innovate? Microsoft Windows Server 2025 secures and optimizes your infrastructure ensu more→ring future-readiness and agility. It builds on proven security and hybrid capabilities introducing enhanced performance for compute-intensive workloads like ML and AI. Optimized for both cloud and on-premises use it integrates seamlessly with Microsoft Azure Arc to maximize your hybrid multicloud and edge IT environments. Paired with HPE servers Windows Server 2025 delivers optimized hardware-software integration enhanced performance and robust security. With the new digital media delivery user …
HP HPE Microsoft Windows Server Remote Desktop Service 1 Device CAL WW LTU P77119-B21 2025
from £168.99 up to £248.86 
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Are security threats performance issues and hybrid environments limiting your organization's ability to scale and innovate? Microsoft Windows Server 2025 secures and optimizes your infrastructure ensu more→ring future-readiness and agility. It builds on proven security and hybrid capabilities introducing enhanced performance for compute-intensive workloads like ML and AI. Optimized for both cloud and on-premises use it integrates seamlessly with Microsoft Azure Arc to maximize your hybrid multicloud and edge IT environments. Paired with HPE servers Windows Server 2025 delivers optimized hardware-software integration enhanced performance and robust security. With the new digital media delivery user …
HP HPE Microsoft Windows Server Remote Desktop Service 5 Devices CAL WW LTU P77121-B21 2025
from £703.99 up to £1,070.92 
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Are security threats performance issues and hybrid environments limiting your organization's ability to scale and innovate? Microsoft Windows Server 2025 secures and optimizes your infrastructure ensu more→ring future-readiness and agility. It builds on proven security and hybrid capabilities introducing enhanced performance for compute-intensive workloads like ML and AI. Optimized for both cloud and on-premises use it integrates seamlessly with Microsoft Azure Arc to maximize your hybrid multicloud and edge IT environments. Paired with HPE servers Windows Server 2025 delivers optimized hardware-software integration enhanced performance and robust security. With the new digital media delivery user …
HP HPE Microsoft Windows Server Essentials P77103-A21 2025
from £329.97 up to £500.75 
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Product Type LicenseDigital software licensing for flexible deployment and scalability.. Designed for small to medium-sized businesses to streamline server management.. Hassle-free activation process more→for immediate use. Multi-Language SupportAvailable in English French Spanish German Italian Dutch and Portuguese.. Tailored for global operations ensuring ease of use across diverse teams.. Multilingual user interface and documentation for improved accessibility. Licence Type 10 CoresSpecifically designed for systems with up to 10 processor cores ensuring cost-efficient licensing.. Supports small-scale infrastructure needs without over-licensing.. Ideal for entry-level servers or lightweight workloads …
HP HPE Microsoft Windows Server 10 Users CAL WW LTU License P77114-B21 2025
from £444.97 up to £497.62 
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Advanced SecurityFor hybrid use cases when using Microsoft Windows Server 2025 both on-premises and on Azure Get crucial updates with less downtime. Hotpatching allows many security updates to be app more→lied without a need to reboot. Add-on service is available for Azure Arc-enabled servers. Multi-layered security; secured-core server technology Trusted Platform Module 2.0 and system guard to boot up Windows Server more securely and minimize risk from firmware vulnerabilities. Windows Defender Credential Guard—virtualization-based security. Windows Defender Exploit Guard offers a set of host intrusion prevention capabilities. Integrated Windows Defender ATP gives access to deep kernel and …
Microsoft Windows Server Client Access License 5 license(s) EP2-25243 2025 (CAL)
from £155.99 up to £260.36 
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Microsoft Windows Server 2025 prepares you for tomorrow while delivering the security performance and flexibility you need today. Be more productive with easier networking faster storage and hybrid cl more→oud capabilities that adapt to your needs. Get ahead of whats next with forward-looking security and AI-ready compute.

Some key improvements include:
Hybrid: Adapt quickly across hybrid cloud and edge. Easier to connect to Azure Arc to bridge on-premises and cloud-based servers. Deliver Azure capabilities to your on-premises servers.
Security: Hardware and software-level security to deter cyberattacks; next-generation Active Directory that improves security and scalability. Enable a tailored …
Microsoft Windows Server CAL English 1pk DSP OEI 5 Clt User CAL EP2-25279 2025
from £208.76 up to £240.00 
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. Microsoft Windows products are designed to meet the needs of businesses of all sizes from small centralized organizations to the largest distributed enterprise. Windows products integrate standards- more→based directory Web application network file and print services with powerful end-to-end management and reliability to provide the best foundation for integrating your business with up-to-date informational technologies. Powerful operating systemMicrosoft Windows Server 2025 Standard is built to support applications and services in a secure and reliable environment catering to the diverse needs of businesses. Flexible licensingThis software comes with a license type that allows businesses to manage …
Microsoft Windows Server Datacenter 1 license(s) EP2-25149 2025
from £4,608.18 up to £5,324.99 
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Microsoft Windows Server 2025 prepares you for tomorrow while delivering the security performance and flexibility you need today. Be more productive with easier networking faster storage and hybrid cl more→oud capabilities that adapt to your needs. Get ahead of whats next with forward-looking security and AI-ready compute.

Some key improvements include:
Hybrid: Adapt quickly across hybrid cloud and edge. Easier to connect to Azure Arc to bridge on-premises and cloud-based servers. Deliver Azure capabilities to your on-premises servers.
Security: Hardware and software-level security to deter cyberattacks; next-generation Active Directory that improves security and scalability. Enable a tailored …
HP HPE Microsoft Windows Server 16-core Standard Reseller Option Kit en/fr/it/de/es/nl/pt SW P46171-A21 2022
from £762.00 up to £1,175.86 
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Do your systems need a cloud-ready operating system to increase security and performance for modern applications? Microsoft Windows Server 2022 can modernize your data center or cloud platform by enab more→ling hybrid capabilities to increase value from technology investments. You can now upgrade to multilayer security with Secured-core OS as a cornerstone improve efficiency with featured options such as Storage Spaces Direct and Windows Admin Center for easier management of modern applications with virtualization and containerization. With powerful innovations to elevate your system's efficiency and productivity Windows Server 2022 pairs with HPE servers storage and networking solutions to provide …
HP HPE Microsoft Windows Server License - 1 User CALS P11076-A21 2019
17.97Buy!
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Build your future with Windows Server 2019 No matter where you want to take your organization get there with Windows Server 2019—the operating system that bridges on-premises environments with A more→zure services enabling hybrid scenarios and maximizing existing investments. Get the most out of Windows Server Windows Server 2019 is the operating system that bridges on-premises environments with Azure adding additional layers of security while helping you modernize your applications and infrastructure. Hybrid capabilities with Azure Extend your datacenter to Azure to maximize your investments and gain new hybrid capabilities. Advanced multilayer security Elevate your security posture by protecting …
HP HPE Microsoft Windows Server License - 50 Users CALS P11081-B21 2019
from £239.97 up to £288.00 
Compare prices1→
Build your future with Windows Server 2019 No matter where you want to take your organization get there with Windows Server 2019—the operating system that bridges on-premises environments with A more→zure services enabling hybrid scenarios and maximizing existing investments. Get the most out of Windows Server Windows Server 2019 is the operating system that bridges on-premises environments with Azure adding additional layers of security while helping you modernize your applications and infrastructure. Hybrid capabilities with Azure Extend your datacenter to Azure to maximize your investments and gain new hybrid capabilities. Advanced multilayer security Elevate your security posture by protecting …
HP HPE Microsoft Windows Server 16C Standard ROK P77100-A21 2025
from £869.30 up to £914.99 
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Streamlined PerformanceExperience enhanced server efficiency with the HPE Microsoft Windows Server 2025 16-Core Standard edition. Designed for modern businesses this robust software provides seamless more→integration enabling organizations to manage workloads with improved speed and reliability . Advanced Security FeaturesStay ahead of evolving threats with advanced security tools. This software includes built-in protection against malicious attacks ransomware and unauthorized access ensuring your data remains secure across all connected devices . Effortless ScalabilityBuilt for growth this 16-Core Standard ROK EU edition offers the flexibility to scale alongside your business needs. Whether you're …
HP HPE Microsoft Windows Server 5 User CAL LTU P77112-B21 2025
from £224.97 up to £360.54 
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. Are evolving security threats performance issues and complex hybrid environments making it harder for your organization to scale and innovate? Microsoft Windows Server 2025 secures and optimizes you more→r infrastructure while ensuring future-readiness and business agility. The latest version of Microsoft’s operating system builds on business-proven security and hybrid capabilities introducing enhanced performance for computeintensive workloads in machine learning and artificial intelligence. Optimized for both cloud and on-premises use Microsoft Windows Server 2025 offers superior integration with Microsoft Azure Arc to maximize your hybrid multicloud and edge IT estate. When paired with …
HP HPE Microsoft Windows Server Remote Desktop Service 5 Users Client Access Licence P77120-B21 2025
from £1,075.00 up to £1,120.99 
Compare prices3→
Advanced SecurityFor hybrid use cases when using Microsoft Windows Server 2025 both on-premises and on Azure Get crucial updates with less downtime. Hotpatching allows many security updates to be app more→lied without a need to reboot. Add-on service is available for Azure Arc-enabled servers. Multi-layered security; secured-core server technology Trusted Platform Module 2.0 and system guard to boot up Windows Server more securely and minimize risk from firmware vulnerabilities.Windows Defender Credential Guard—virtualization-based security. Windows Defender Exploit Guard offers a set of host intrusion prevention capabilities. Integrated Windows Defender ATP gives access to deep kernel and …
HP HPE Microsoft Windows Server 16-core Std Add Lic en/cs/de/es/fr/it/nl/pl/pt/ru/sv/ko/ja/xc SW P46195-B21 2022
from £379.99 up to £1,411.72 
Compare prices2→
Do your systems need a cloud-ready operating system to increase security and performance for modern applications? Microsoft Windows Server 2022 can modernize your data center or cloud platform by enab more→ling hybrid capabilities to increase value from technology investments. You can now upgrade to multilayer security with Secured-core OS as a cornerstone improve efficiency with featured options such as Storage Spaces Direct and Windows Admin Center for easier management of modern applications with virtualization and containerization. With powerful innovations to elevate your systems efficiency and productivity Windows Server 2022 pairs with Hewlett Packard Enterprise servers storage and networking …
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