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Best sellers, best operating Systems

We also think that you deserve the best. That’s why on this page, we ranked operating Systems from the most sold to the least sold. You have 60 products to choose from. Customers have the most interest in Microsoft Windows 11 Pro EN (OEM), which you can buy for 142.90 € incl. VAT. If you’re intrested in operating Systems in terms of the highest reviews, then look at the operating Systems reviews and tests category.

Do you want to build a customized PC? All operating Systems

Microsoft Security Update for Windows 10 ESU Year 2 (2026 - 2027) - Licence

Microsoft Security Update for Windows 10 ESU Year 2 (2026 - 2027)

Ordered on request

Security Update - Microsoft Windows 10 for 10 devices, subscription length: 12 months, licensing method: subscription, installation method: download (electronically), suitable for...

Microsoft Security Update for Windows 10 ESU Year 2 (2026 - 2027) EDU + Charity - Licence

Microsoft Security Update for Windows 10 ESU Year 2 (2026 - 2027) EDU + Charity

Ordered on request

Security Update - Microsoft Windows 10 for 10 devices, subscription length: 12 months, licensing method: subscription, installation method: download (electronically), suitable for...

Microsoft Windows 11 Pro (electronic licence) - Operating System

Microsoft Windows 11 Pro (electronic licence)

Available for download

Operating System - Microsoft Windows 11 Pro intended for 1 device(s), portable license, subscription lasts forever, permanent license, install through download (electronically),...

Microsoft Windows 11 Home (electronic licence) - Operating System

Microsoft Windows 11 Home (electronic licence)

Available for download

Operating System - Microsoft Windows 11 Home intended for 1 device(s), portable license, subscription lasts forever, permanent license, install through download (electronically),...

Microsoft Windows Server CAL 2025 - 5 User CAL (OEM) - Operating System

Microsoft Windows Server CAL 2025 - 5 User CAL (OEM)

Operating System - MS Windows Server intended for 5 device(s), license not portable, permanent license, version in EN, appropriate for businesses, intended for PC, compatible with...

Microsoft Windows Server CAL 2025 - 1 User CAL (OEM) - Operating System

Microsoft Windows Server CAL 2025 - 1 User CAL (OEM)

Operating System - MS Windows Server intended for 1 device(s), license not portable, version in EN, appropriate for businesses, intended for PC, compatible with Windows operating...

Microsoft Windows Server CAL 2025 - 1 Device CAL (OEM) - Operating System

Microsoft Windows Server CAL 2025 - 1 Device CAL (OEM)

Operating System - MS Windows Server intended for 1 device(s), license not portable, permanent license, version in EN, appropriate for businesses, intended for PC, compatible with...

Microsoft Windows Server CAL 2025 - 5 Device CAL (OEM) - Operating System

Microsoft Windows Server CAL 2025 - 5 Device CAL (OEM)

179.90 € 181.90 €

Operating System - MS Windows Server intended for 5 device(s), license not portable, permanent license, version in EN, appropriate for businesses, intended for PC, compatible with...

Microsoft Windows Server Standard 2025, x64, CZ, 16 core (OEM) - Operating System

Microsoft Windows Server Standard 2025, x64, CZ, 16 core (OEM)

Operating System - MS Windows Server intended for 1 device(s), license not portable, version in CZ, install through CD/DVD, appropriate for businesses, intended for PC, compatible...

Microsoft Windows Server Standard 2025, x64, EN, 16 core (OEM) - Operating System

Microsoft Windows Server Standard 2025, x64, EN, 16 core (OEM)

Operating System - MS Windows Server intended for 1 device(s), license not portable, permanent license, version in EN, install through CD/DVD, appropriate for businesses, intended...

Microsoft Windows Server 2025 Remote Desktop Services - 1 Device CAL - Operating System

Microsoft Windows Server 2025 Remote Desktop Services - 1 Device CAL

Ordered on request

Operating System - MS Windows Server intended for 1 device(s), permanent license, software type: CAL, install through download (electronically), appropriate for businesses,...

Microsoft Windows Server 2025 Datacenter - 16 Core - Operating System

Microsoft Windows Server 2025 Datacenter - 16 Core

Ordered on request

Operating System - MS Windows Server intended for 16 device(s), license not portable, permanent license, install through download (electronically), appropriate for businesses,...

Microsoft Windows Server 2025 Datacenter - 2 Core Education - Operating System

Microsoft Windows Server 2025 Datacenter - 2 Core Education

Ordered on request

Operating System - MS Windows Server intended for 2 device(s), license not portable, install through download (electronically), appropriate for businesses, intended for PC,...

Microsoft Windows Server 2025 Remote Desktop Services - 1 User CAL - Operating System

Microsoft Windows Server 2025 Remote Desktop Services - 1 User CAL

Ordered on request

Operating System - MS Windows Server intended for 1 device(s), permanent license, software type: CAL, install through download (electronically), appropriate for businesses,...

Microsoft Windows Server 2025 Datacenter - 2 Core Charity - Operating System

Microsoft Windows Server 2025 Datacenter - 2 Core Charity

Ordered on request

Operating System - MS Windows Server intended for 2 device(s), license not portable, install through download (electronically), appropriate for businesses, intended for PC,...

Microsoft Windows Server 2025 Remote Desktop Services - 1 Device CAL Charity - Operating System

Microsoft Windows Server 2025 Remote Desktop Services - 1 Device CAL Charity

Ordered on request

Operating System - MS Windows Server intended for 1 device(s), software type: CAL, install through download (electronically), appropriate for businesses, intended for PC,...

Microsoft Windows Server 2025 Datacenter - 2 Core - Operating System

Microsoft Windows Server 2025 Datacenter - 2 Core

Ordered on request

Operating System - MS Windows Server intended for 1 device(s), license not portable, install through download (electronically), appropriate for businesses, intended for PC,...

Microsoft Windows Server 2025 Remote Desktop Services - 1 Device CAL Education - Operating System

Microsoft Windows Server 2025 Remote Desktop Services - 1 Device CAL Education

Ordered on request

Operating System - MS Windows Server intended for 1 device(s), software type: CAL, install through download (electronically), appropriate for businesses, intended for PC,...

Microsoft Windows Server 2025 - 1 Device CAL Education - Operating System

Microsoft Windows Server 2025 - 1 Device CAL Education

Ordered on request

Operating System - MS Windows Server intended for 1 device(s), license not portable, permanent license, software type: CAL, version in CZ, EN, install through download...

Microsoft Windows Server 2025 Standard - 16 Core License Pack Charity - Operating System

Microsoft Windows Server 2025 Standard - 16 Core License Pack Charity

Ordered on request

Operating System - MS Windows Server intended for 16 device(s), permanent license, install through download (electronically), appropriate for businesses, intended for PC,...

Microsoft Windows Server 2025 Datacenter - 16 Core Charity - Operating System

Microsoft Windows Server 2025 Datacenter - 16 Core Charity

Ordered on request

Operating System - MS Windows Server intended for 16 device(s), license not portable, install through download (electronically), appropriate for businesses, intended for PC,...

Microsoft Windows Server 2025 - 1 User CAL Education - Operating System

Microsoft Windows Server 2025 - 1 User CAL Education

Ordered on request

Operating System - MS Windows Server intended for 1 device(s), license not portable, software type: CAL, install through download (electronically), appropriate for schools,...

Microsoft Windows Server 2025 - 1 Device CAL - Operating System

Microsoft Windows Server 2025 - 1 Device CAL

Ordered on request

Operating System - MS Windows Server intended for 1 device(s), license not portable, permanent license, software type: CAL, version in CZ, EN, install through download...

Microsoft Windows Server 2025 - 1 User CAL Charity - Operating System

Microsoft Windows Server 2025 - 1 User CAL Charity

Ordered on request

Operating System - MS Windows Server intended for 1 device(s), license not portable, software type: CAL, install through download (electronically), appropriate for businesses,...

No longer sold

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