Linux is a free, open-source operating system that powers everything from old laptops to cloud servers. It has always been an alternative to Windows and macOS — but in 2026, with Windows 10 reaching end of life in October, millions of people are looking at Linux seriously for the first time. Whether your PC cannot run Windows 11, you want an operating system that does not cost anything, or you are simply curious about what Linux can do, this guide index covers everything you need.
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These guides are written for people coming from Windows — no prior Linux experience needed.
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Getting Started with Linux
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If you have never used Linux before, start here. These guides explain what Linux is, which version to choose and how it compares to Windows.
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- What is Linux? A Plain-English Guide for Beginners — the essentials explained
- Best Linux Distros for Beginners in 2026 — which distribution to choose
- Linux vs Windows: Which Should You Use? — honest comparison
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Installing Linux
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Ready to install? These guides walk you through every method — whether you want to replace Windows entirely, run both side by side, or try Linux inside Windows without touching your existing setup.
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- How to Install Ubuntu on Your PC — complete step-by-step guide
- How to Dual Boot Windows and Linux — keep both operating systems
- How to Run Linux on Windows Using WSL2 — Linux inside Windows without dual booting
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Choosing a Distribution
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Linux comes in many flavours called distributions (distros). Ubuntu is the most popular, but it is not always the best choice for every situation — especially if you have older hardware.
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- Ubuntu vs Linux Mint: Which Should You Choose?
- How to Revive an Old PC with Linux — best lightweight distributions
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Using Linux Day to Day
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Once Linux is installed, these guides help you get productive — from essential terminal commands to understanding how Linux compares on security and whether it makes sense for business use.
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- Essential Linux Commands for Beginners
- Is Linux More Secure Than Windows?
- Is Linux Right for Your Business?
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Why Linux in 2026?
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Three things are driving a real surge in Linux interest right now. First, Windows 10 reaches end of life in October 2026 — millions of PCs that cannot run Windows 11 will stop receiving security updates. Linux gives those machines a free, fully supported second life. Second, Linux is completely free to install and use, with no licence fees or ongoing subscriptions. Third, privacy-conscious users increasingly prefer an operating system that does not report back to a corporate server by default.
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If your PC is already struggling with Windows 10 and cannot meet the Windows 11 hardware requirements, a lightweight Linux distribution like Linux Mint or Lubuntu can make it feel fast again.
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Switching from Windows 10?
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If your PC cannot run Windows 11, Linux is one of the best free alternatives. Start with these guides before you make the switch:
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Not sure where to begin? Start with What is Linux? — it takes five minutes to read and will give you a clear picture of whether Linux is right for you.