Operating Systems

Looking for the right operating system for your device? Klarna helps you find what fits your needs. We list a wide range of operating systems from popular brands and retailers. Use our category filters to narrow down your options based on features, compatibility, or price range. Compare different systems side-by-side to see which one suits you best. Whether you're seeking user-friendly interfaces or advanced security features, Klarna makes it easy to find what you're looking for. Our up-to-date listings ensure you get the best deals available. With transparent and reliable information, you can make the right choice for your tech needs. Ready to explore the world of operating systems? Start here and find the one that matches your requirements perfectly!

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200+ products

Operating Systems Microsoft Windows 11 Professional
Popular
Microsoft Windows 11 Professional
OEM
$28.99
4 stores
Operating Systems Microsoft Windows 11 Home 64-bit
-23%
Microsoft Windows 11 Home 64-bit
$45.99
$59.99
7 stores
Operating Systems ESET Home Security Premium Software 2024
ESET Home Security Premium Software 2024
$99.99
4 stores
Operating Systems Microsoft Windows 11 Pro 64-bit USB Flash Drive
Microsoft Windows 11 Pro 64-bit USB Flash Drive
Retail
$32.99
8 stores
Operating Systems Microsoft Windows 10 Enterprise LTSC 2021 Regular IoT
Microsoft Windows 10 Enterprise LTSC 2021 Regular IoT
$1.38
1 store
Operating Systems Microsoft Windows 11 Home 64 Bit ESD OEM
Microsoft Windows 11 Home 64 Bit ESD OEM
4
OEM Electronic Software Distribution (ESD)
$129.99
3 stores
Operating Systems Norton 360 Deluxe PC MAC Android IOS
Norton 360 Deluxe PC MAC Android IOS
$12.75
4 stores
Operating Systems Microsoft Windows 11 Pro 64-Bit Multilingual (ESD)
Microsoft Windows 11 Pro 64-Bit Multilingual (ESD)
Electronic Software Distribution (ESD)
$199.99
3 stores
Norton 360 Deluxe Antivirus Software 5 Devices
Norton 360 Deluxe Antivirus Software 5 Devices
$24.99
4 stores
Microsoft Windows 11 Pro for Workstation
Microsoft Windows 11 Pro for Workstation
OEM
$260.99
4 stores
Microsoft Windows 10 Home
Microsoft Windows 10 Home
OEM, Electronic Software Distribution (ESD)
$17.58
2 stores
Microsoft Windows 11 Pro OEM 64-bit Multi Language
-44%
Microsoft Windows 11 Pro OEM 64-bit Multi Language
OEM
$37.98
$67.69
2 stores
ESET Nod32 Antivirus Digital Download Subscription
ESET Nod32 Antivirus Digital Download Subscription
$23.99
3 stores
HP Integrated Lights-Out Advanced 1 Year Software License
-69%
HP Integrated Lights-Out Advanced 1 Year Software License
$3.69
$12
3 stores
Microsoft Windows Server Standard 2022 English
Microsoft Windows Server Standard 2022 English
OEM
$39.99
3 stores
Image-Line FL Studio 20 Signature Bundle
Trending
Image-Line FL Studio 20 Signature Bundle
$269
1 store
Microsoft Windows 10 Pro English (64-bit OEM)
Microsoft Windows 10 Pro English (64-bit OEM)
OEM
$24
1 store
Microsoft Windows Server 2025 Standard Edition License
Microsoft Windows Server 2025 Standard Edition License
$59.99
2 stores
Microsoft Windows Server 2025 Standard Lifetime Licence
Microsoft Windows Server 2025 Standard Lifetime Licence
$202.97
2 stores
Norton 360 Deluxe 3 PCs 25GB Cloud Storage
-30%
Norton 360 Deluxe 3 PCs 25GB Cloud Storage
$27.81
$39.99
2 stores
McAfee Total Protection 2026 3 Devices
McAfee Total Protection 2026 3 Devices
$17.99
2 stores
McAfee Antivirus Product Key Card
McAfee Antivirus Product Key Card
$49.99
2 stores
Norton 360 Deluxe Antivirus Software 50GB 5 Devices
Norton 360 Deluxe Antivirus Software 50GB 5 Devices
$89.99
2 stores
Norton 360 Premium Antivirus Software
Norton 360 Premium Antivirus Software
$99.99
2 stores
Malwarebytes Premium 5-Device Cybersecurity Software
Malwarebytes Premium 5-Device Cybersecurity Software
$39.99
2 stores
Microsoft Windows Server 2025 Standard 64-Bit License
Microsoft Windows Server 2025 Standard 64-Bit License
$139
2 stores
Microsoft Windows Server 2025 Datacenter 64-bit License (16 Core OEM DVD)
Microsoft Windows Server 2025 Datacenter 64-bit License (16 Core OEM DVD)
OEM
$80.99
2 stores
Microsoft Windows Server 2025 16-core DVD 64bit
Microsoft Windows Server 2025 16-core DVD 64bit
Retail
$699.99
3 stores
Microsoft Windows 7 Professional Upgrade 32 & 64 Bit DVDs Retail Box
Microsoft Windows 7 Professional Upgrade 32 & 64 Bit DVDs Retail Box
$49.99
2 stores
Dell Microsoft Windows 8.1 Recovery Media 64-Bit OS DVD
Dell Microsoft Windows 8.1 Recovery Media 64-Bit OS DVD
$10
1 store
Image-Line FL Studio 21 Producer Edition
Image-Line FL Studio 21 Producer Edition
$129
1 store
Kaspersky Premium 2026
Kaspersky Premium 2026
$5.90
1 store
Microsoft Windows 7 Ultimate SP1
Microsoft Windows 7 Ultimate SP1
$14.88
1 store
McAfee Premium Unlimited Users MPP21ESTURD3D
McAfee Premium Unlimited Users MPP21ESTURD3D
$149.99
1 store
Barska Micro World Corp Glass for Small Breakable Key Box AX11838
Barska Micro World Corp Glass for Small Breakable Key Box AX11838
$18.89
2 stores
Microsoft Office Professional 2010 Box
Microsoft Office Professional 2010 Box
OEM
$223.96
1 store
Microsoft Windows Server 2016 20 Cal R18-04938
Microsoft Windows Server 2016 20 Cal R18-04938
$249.99
1 store
Microsoft Windows 10 Pro German (64-bit OEM)
Microsoft Windows 10 Pro German (64-bit OEM)
OEM
$21.58
1 store
Microsoft Window Server 2016 Cal Dsp Oei 5 Device Clt R18-05206
Microsoft Window Server 2016 Cal Dsp Oei 5 Device Clt R18-05206
OEM
$28
1 store
Microsoft Windows Server 2012 R2 64 Bit License
Microsoft Windows Server 2012 R2 64 Bit License
OEM
$100.27
1 store
Microsoft R18-05206 Windows Server 2016 5 CAL
-10%
Microsoft R18-05206 Windows Server 2016 5 CAL
OEM
$52.97
$58.97
1 store
Microsoft Windows 10 Pro 32/64bit English
Microsoft Windows 10 Pro 32/64bit English
Retail
$129
1 store
Microsoft Windows 10 Pro MUI (32/64-bit OEM ESD)
Microsoft Windows 10 Pro MUI (32/64-bit OEM ESD)
OEM Electronic Software Distribution (ESD)
$22.99
1 store
Dell Windows Server 2019 16 Core Cd Optical Media Software
Dell Windows Server 2019 16 Core Cd Optical Media Software
$23
1 store
Microsoft Windows Server 2022 Datacenter 64bit 16-Core DVD
Microsoft Windows Server 2022 Datacenter 64bit 16-Core DVD
$39.98
1 store
Microsoft Windows Xp Home Full Operating System
Microsoft Windows Xp Home Full Operating System
$99.99
1 store
ESET Home Security Essential 1 Year 5 Device
ESET Home Security Essential 1 Year 5 Device
$69.99
1 store
ESET Home Security Essential 1 Year 3 Devices
ESET Home Security Essential 1 Year 3 Devices
$39
1 store

Operating Systems: 3 things to consider before buying

Before purchasing an operating system, it's crucial to ensure compatibility with your existing hardware and software. Check the system requirements of the operating system you are considering. Make sure your computer or tablet meets these requirements to avoid performance issues. For example, if you're upgrading to a newer version of Windows, verify that your device has enough RAM and processing power. Additionally, consider whether your favorite applications and peripherals are supported by the new operating system. This step will save you time and money by preventing potential compatibility headaches.

The user interface and overall experience are pivotal when selecting an operating system. Think about what feels intuitive to you and aligns with your workflow. If you're accustomed to using a particular OS, switching might involve a learning curve. For instance, macOS offers a sleek design favored by creative professionals, while Windows provides versatility for gaming and business tasks. Evaluate features like virtual desktops, touch support, or voice assistants that can enhance productivity according to your needs.

Security is paramount in today's digital age, so it's vital to choose an operating system with robust security features. Look for built-in security tools like firewalls, antivirus protection, and regular updates that safeguard against threats. Windows 11, for instance, comes with enhanced security measures such as TPM 2.0 support for better encryption. On the other hand, Linux is known for its strong community-driven security practices. Assessing these features ensures peace of mind by protecting your data from potential cyber threats.

OPERATING SYSTEMS

FAQ

Operating systems are software that manage computer hardware and software resources. They provide a user interface and facilitate the execution of applications. When choosing, consider compatibility with your device, user interface preferences, and specific features like security or multitasking capabilities.

Operating systems for gaming often include Windows due to its broad game support and performance optimization. Consider your gaming needs, budget, and whether you prefer exclusive games available on certain platforms.

Operating systems for businesses should offer security, stability, and compatibility with essential software. Evaluate your business needs, such as support for productivity tools, network management capabilities, and scalability for future growth.

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Choose the right operating system for your needs

Finding the right operating system can make all the difference in your computing experience. Whether you're setting up a new computer or upgrading an existing one, Klarna helps you compare options and find the best fit. Use our filters to sort by specific properties like language, bit version, and distribution type. Check price histories and read user reviews to ensure you're making the right decision.

Understanding operating systems

Operating systems are the backbone of your computer. They manage hardware and software resources, providing a stable environment for your applications. Choosing the right one involves understanding your needs and the features available.

Language options

Operating systems come in various languages to cater to global users. If you're comfortable with english, ensure your choice supports it. This ensures ease of use and better understanding of system prompts and settings.

Bit versions

Bit versions determine how much data your system can handle at once. A 64-bit system can manage more RAM and perform better with demanding applications compared to a 32-bit system. If you're using modern software or need to run multiple applications simultaneously, a 64-bit version is often the best choice.

Popular operating systems

When it comes to operating systems, windows is a popular choice. Known for its user-friendly interface and compatibility with a wide range of software, Windows is ideal for both personal and professional use. It offers regular updates and a vast support community.

Retail vs. OEM

Retail versions of operating systems offer more flexibility. They can be transferred to another computer if you decide to upgrade your hardware. OEM (Original Equipment Manufacturer) versions are tied to the first computer they are installed on, making them a budget-friendly option for new builds or replacements.

Electronic software distribution

Electronic Software Distribution (ESD) allows you to download your operating system directly, providing instant access and eliminating the need for physical media. OEM ESD combines the cost-effectiveness of OEM with the convenience of digital download.

Key features to consider

When selecting an operating system, consider these key features:

  • User interface: Look for an intuitive interface that suits your workflow.
  • Security: Ensure the system offers robust security features to protect your data.
  • Compatibility: Check that your preferred applications and peripherals are supported.
  • Support and updates: Regular updates and a strong support network are essential for long-term use.

Make your choice with confidence

Choosing an operating system is a personal decision that depends on your individual needs and preferences. Whether you prioritize language options, bit versions, or distribution type, Klarna can help you find the right match. Compare products, read reviews, and check price trends to make a well-thought-out decision. Use Klarna to ensure you're getting the best deal possible on your new operating system.

Shop smarter with Klarna

Navigate your way to the best option using our handy tools. Compare prices, apply smart filters, read user reviews, and explore price history — all in one place. You can also earn cashback from hundreds of stores by shopping directly in the app.

Filter and sort

Looking for something specific? Filter by anything from price and brand to material or color to see only the products relevant to you. Since delivery options and shipping costs can differ between stores, you can easily find your perfect match by filtering these too.

Reviews: See what other users think

Curious about a product's performance? User reviews provide excellent insights into features and durability. Ratings make it easier to determine popularity and satisfaction.

Price history: Find real deals

Want to ensure you're scoring a great deal? Check the price history to see how prices have changed over time. By clicking “Choose store,” you can even dive into the price history of a particular shop.

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