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Operating Systems reviews and tests

Alza Test Ranks Operating Systems Based on User Reviews and Other Data

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Operating Systems – Test Results

The result for operating systems at several price levels is:

What is the Alza Test?

Hundreds of categories, thousands of products, millions of details and user reviews for operating systems. How can you make sense of all of this? Try our Alza Test, which guarantees an objective selection based on customers' experiences. How the products from operating systems rank are based solely on various data and feedback from actual people who have purchased the products.

41 Results
4.6 438×
Add to PC configurator
Microsoft Windows 11 Pro EN (OEM)
Operating System - Microsoft Windows 11 Pro intended for 1 device(s), license not portable, subscription lasts forever, permanent license, version in EN, install through CD/DVD, appropriate for households, for businesses, for schools and for state administration, intended for PC, compatible with Windows operating system(s), restricted geographically to only in the EU
Buy with code ALZADAYS10AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 125.91 €
Amazing Deal 139.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SW_W11OEM_P_EN
4.6 438×
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Microsoft Windows 11 Home EN (OEM)
Operating System - Microsoft Windows 11 Home intended for 1 device(s), license not portable, subscription lasts forever, permanent license, version in EN, install through CD/DVD, appropriate for households, intended for PC, compatible with Windows operating system(s), restricted geographically to only in the EU
Buy with code ALZADAYS10AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 101.61 €
112.90 €
Buy
Ordered on request
Order Code: SW_W11OEM_H_EN
4.4 291×
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Microsoft Windows 11 Home, EN, USB (FPP)
Operating System - Microsoft Windows 11 Home intended for 1 device(s), portable license, subscription lasts forever, permanent license, install through flashdisk, appropriate for households, intended for PC, compatible with Windows operating system(s), restricted geographically to only in the EU
148.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SWW11HEN
4.4 290×
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Microsoft Windows 11 Pro (electronic licence)
Operating System - Microsoft Windows 11 Pro intended for 1 device(s), portable license, subscription lasts forever, permanent license, install through download (electronically), appropriate for businesses, for schools and for state administration, intended for PC, compatible with Windows operating system(s), license key can be found in: "My Library" - "License"
239.90 €
Buy
Available for download
Order Code: SW_W11_P2
4.4 290×
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Microsoft Windows 11 Home (electronic licence)
Operating System - Microsoft Windows 11 Home intended for 1 device(s), portable license, subscription lasts forever, permanent license, install through download (electronically), appropriate for households, intended for PC, compatible with Windows operating system(s), restricted geographically to only in the EU, license key can be found in: "My Library" - "License"
139.90 €
Buy
Available for download
Order Code: SW_W11_H2
4.4 290×
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Microsoft Windows 11 PRO, EN, USB (FPP)
Operating System - Microsoft Windows 11 Pro intended for 1 device(s), portable license, subscription lasts forever, permanent license, install through flashdisk, appropriate for businesses, for schools and for state administration, intended for PC, compatible with Windows operating system(s), restricted geographically to only in the EU
243.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SWW11PEN
Microsoft Security Update for Windows 10 ESU Year 3 (2027 - 2028) EDU + Charity
Security Update - Microsoft Windows 10 for 10 devices, subscription length: 12 months, licensing method: subscription, installation method: download (electronically), suitable for home, business, and school use, designed for PCs, compatible with Windows operating systems, genuine MS product (not a secondary license)
4.90 €
Buy
Ordered on request
Order Code: SWMM0905
Microsoft Security Update for Windows 10 ESU Year 3 (2027 - 2028)
Security Update - Microsoft Windows 10 for 10 devices, subscription length: 12 months, licensing method: subscription, installation method: download (electronically), suitable for home, business, and school use, designed for PCs, compatible with Windows operating systems, genuine MS product (not a secondary license)
318.90 €
Buy
Ordered on request
Order Code: SWMM0904
Microsoft Security Update for Windows 10 ESU Year 1 (2025 - 2026) EDU + Charity
Security Update - Microsoft Windows 10 for 10 devices, subscription length: 12 months, licensing method: subscription, installation method: download (electronically), suitable for businesses and schools, designed for PCs, compatible with Windows operating systems, genuine MS product (not a secondary license)
1.19 €
Buy
Ordered on request
Order Code: SWMM0901
Microsoft Security Update for Windows 10 ESU Year 1 (2025 - 2026)
Security Update - Microsoft Windows 10 for 10 devices, subscription length: 12 months, licensing method: subscription, installation method: download (electronically), suitable for home, business, and school use, designed for PCs, compatible with Windows operating systems, genuine MS product (not a secondary license)
79.90 €
Buy
Ordered on request
Order Code: SWMM0900
Microsoft Security Update for Windows 10 ESU Year 2 (2026 - 2027)
Security Update - Microsoft Windows 10 for 10 devices, subscription length: 12 months, licensing method: subscription, installation method: download (electronically), suitable for home, business, and school use, designed for PCs, compatible with Windows operating systems, genuine MS product (not a secondary license)
159.90 €
Buy
Ordered on request
Order Code: SWMM0903
Microsoft Security Update for Windows 10 ESU Year 2 (2026 - 2027) EDU + Charity
Security Update - Microsoft Windows 10 for 10 devices, subscription length: 12 months, licensing method: subscription, installation method: download (electronically), suitable for home, business, and school use, designed for PCs, compatible with Windows operating systems, genuine MS product (not a secondary license)
2.50 €
Buy
Ordered on request
Order Code: SWMM0902
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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 Windows operating system(s)
237.90 €
Buy
In stock 2 pcs
Order Code: SWMM0841
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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 system(s)
58.90 €
Buy
In stock 1 pcs
Order Code: SWMM0839
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Microsoft Windows Server CAL 2025 - 5 Device 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 Windows operating system(s)
179.90 €
Buy
In stock 4 pcs
Order Code: SWMM0840
Microsoft Windows Server Standard 2025, x64, CZ, 16 core (OEM) - Operating System Free delivery
Alzaboxes and stores
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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 with Windows operating system(s)
989.90 €
Buy
In stock 4 pcs
Order Code: SWMM0836
Microsoft Windows Server Standard 2025, x64, EN, 16 core (OEM) - Operating System Free delivery
Alzaboxes and stores
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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 for PC, compatible with Windows operating system(s)
941.90 €
Buy
In stock 2 pcs
Order Code: SWMM0837
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Microsoft Windows Server 2025 Remote Desktop Services - 1 Device CAL
Operating System - MS Windows Server intended for 1 device(s), permanent license, software type: CAL, install through download (electronically), appropriate for businesses, intended for PC, compatible with Windows operating system(s)
225.90 €
Buy
Ordered on request
Order Code: SWMM0853
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Microsoft Windows Server 2025 Datacenter - 16 Core
Operating System - MS Windows Server intended for 16 device(s), license not portable, permanent license, install through download (electronically), appropriate for businesses, intended for PC, compatible with Windows operating system(s)
8,789 €
Buy
Ordered on request
Order Code: SWMM0848
Microsoft Windows Server 2025 Datacenter - 2 Core Education
Operating System - MS Windows Server intended for 2 device(s), license not portable, install through download (electronically), appropriate for businesses, intended for PC, compatible with Windows operating system(s)
285.90 €
Buy
Ordered on request
Order Code: SWMM0852
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Microsoft Windows Server 2025 Remote Desktop Services - 1 User CAL
Operating System - MS Windows Server intended for 1 device(s), permanent license, software type: CAL, install through download (electronically), appropriate for businesses, intended for PC, compatible with Windows operating system(s)
225.90 €
Buy
Ordered on request
Order Code: SWMM0856
Microsoft Windows Server 2025 Datacenter - 2 Core Charity
Operating System - MS Windows Server intended for 2 device(s), license not portable, install through download (electronically), appropriate for businesses, intended for PC, compatible with Windows operating system(s)
441.90 €
Buy
Ordered on request
Order Code: SWMM0851
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Microsoft Windows Server 2025 Remote Desktop Services - 1 Device CAL Charity
Operating System - MS Windows Server intended for 1 device(s), software type: CAL, install through download (electronically), appropriate for businesses, intended for PC, compatible with Windows operating system(s)
44.90 €
Buy
Ordered on request
Order Code: SWMM0855
Add to PC configurator
Microsoft Windows Server 2025 Datacenter - 2 Core
Operating System - MS Windows Server intended for 1 device(s), license not portable, install through download (electronically), appropriate for businesses, intended for PC, compatible with Windows operating system(s)
1,099 €
Buy
Ordered on request
Order Code: SWMM0850

Operating Systems reviews and tests

MicrosoftSkype wird eingestellt: Microsoft verlagert Nutzer zu Teams Microsoft hat angekündigt, dass es Skype am 5. Mai 2025 einstellen wird. Die Nutzer werden zu Microsoft Teams wechseln können, wo ihre Kontakte und ihr Nachrichtenverlauf automatisch verfügbar sein werden. Das Unternehmen hat beschlossen, Skype aufgrund seiner...
Sie wurden vielleicht unangenehm von der Nachricht überrascht, dass der Support für Windows 10 bald eingestellt wird, aber was bedeutet das in der Realität? Müssen Sie einen neuen Computer kaufen? Oder einfach ein Upgrade auf Windows 11 durchführen? Finden Sie es in...
Richten Sie Ihr Arbeitszimmer oder Ihre Spielhölle ein? Monitorhalterungen sollten auf keinen Fall in einem besseren Computerraum fehlen. Wenn Sie sich in den vielen Kategorien, Designtypen und anderen Parametern nicht zurechtfinden, hilft Ihnen unsere Auswahlhilfe. Wir...
MicrosoftWindows 11: ein (großer) Schritt nach vorn? Obwohl Microsoft behauptete, dass Windows 10 das letzte Betriebssystem ist, ist nun alles anders. Bald kommt Windows 11. Welche neuen Funktionen plant Microsoft? Was wird sich in der Benutzerumgebung ändern? Und wie können Sie Windows 11 selbst ausprobieren?
Haben Sie einen älteren Computer oder Laptop mit Microsoft Windows 7? Dann sollten Sie aufmerksam werden, denn die Unterstützung für dieses System wurde am 14. Januar 2020 eingestellt. Was bedeutet das und welche Folgen hat es auf die Benutzer? Ist es sicher, ein...
Where can I find the electronic licenses and activation keys I have purchased from Alza? How do I redeem electronic licences for Microsoft, Corel, Adobe, AVG or Kaspersky products? Find out that and much more in our detailed guide!
Check out products sorted by price starting with the lowest price in the category cheap operating Systems Find products sorted from the most expensive to the cheapest in the category most expensive operating Systems Check out products sorted by price starting with the highest price in the category best sellers, best operating Systems You’ll find products sorted by reviews starting from the highest ranked in operating Systems reviews
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