Leaving Windows for Linux in 2026: Rescue Your 'Unsupported' Laptop with JesterNet OS

The Verdict

If your laptop can’t run Windows 11, or can run it but isn’t on the Copilot+ list, or simply works fine and you’re tired of being told it’s obsolete, Arch Linux with our JesterNet OS installer turns any 2015-or-newer laptop into a fast, private, indefinitely-supported machine in under an hour. Boot an Arch ISO from a Ventoy USB, clone the repo, run install.sh, reboot, run install-theme.sh, done. You end up with a glassmorphic GNOME desktop, 19 bundled extensions, your choice of macOS-style dock or Windows-style taskbar, and a dev environment that’ll outlast whatever Microsoft ships next.

This guide is for anyone staring at a “your PC doesn’t meet Windows 11 requirements” banner and refusing to throw the whole machine away.

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What Microsoft Actually Did

Let’s put the timeline on the record so nobody can claim this is conspiracy theory:

• October 14, 2025 — Windows 10 reached end of life. No more feature updates. No more security patches (for free).
• October 13, 2026 — Consumer Extended Security Updates end. Your $30 one-year reprieve runs out six months from now. Enterprise ESU gets up to three years; you, the individual, get one.
• Windows 11 hardware gate — TPM 2.0, Secure Boot, and a CPU cut-off that excluded most 7th-gen Intel and pre-Zen 2 AMD machines. Microsoft’s own eligibility checker has been the reason tens of millions of working laptops were declared “unsupported” overnight.
• Copilot+ tier — Requires a 40+ TOPS NPU plus 16GB RAM. Anything without a Qualcomm X, Intel Core Ultra 200V, or AMD Ryzen AI 300 chip is locked out of the AI features they’re actively marketing as the reason you should buy a new machine.

Your laptop didn’t break. Microsoft decided it doesn’t want to support it anymore. The $30 ESU extension is a one-year sedative — after October 2026 you’re either on a new machine, accepting an unpatched OS, or somewhere else entirely.

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The Economics of “Somewhere Else”

A corolla of Microsoft’s decision is that the secondhand laptop market is flooded with machines that do not run Windows 11. Business leasers, IT refresh cycles, and panicking small offices have been offloading perfectly functional ThinkPads, Latitudes, and ProBooks at scrap prices for six months. In April 2026 you can find:

• ThinkPad T480 / T480s (8th-gen Intel, 16GB, 256GB SSD): £150-£220 on eBay UK
• Dell Latitude 7490 / 7480 (8th-gen, 16GB): £130-£200
• HP EliteBook 840 G5 / G6: £140-£210
• ThinkPad X1 Carbon 6th gen: £180-£280
• Dell Precision 5530 / 7530 with dGPU: £300-£450

These are the machines being shredded because they failed Microsoft’s TPM / CPU check. They will happily run modern Linux for another five years — we have been running Arch on a T480 daily driver since 2020 without issue. Add a £220 64GB DDR4 kit and a £330 4TB NVMe from our laptop upgrade guide and you’ve got a 64GB / 4TB workstation for around £700 total. Try configuring a new Windows 11 laptop with 64GB RAM and 4TB SSD — you’re in £2,500+ territory minimum.

The machine Microsoft told you was dead is, in fact, the best-value laptop of 2026.

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Why Linux, Specifically

If you’ve never used Linux seriously, here’s what’s actually different in 2026:

The stuff that used to be hard is now easy. WiFi drivers, Bluetooth, printing, external monitors, hibernate — the “does it just work” list on modern Arch matches Windows 11 for any ThinkPad or mainstream business laptop from the last decade. NVIDIA drivers are still fiddlier than AMD or Intel, but they do work.

Gaming is good now. Steam’s Proton compatibility layer runs the overwhelming majority of Windows games on Linux without configuration. Valve’s entire Steam Deck ecosystem is Arch-based, which has dragged Linux gaming support forward faster than any other factor this decade. Check ProtonDB for your game list before switching — the “Platinum” and “Gold” tiers are genuinely indistinguishable from native Windows play.

Privacy and longevity. No telemetry you didn’t ask for. No ads in the start menu. No forced upgrades. No account requirement. Your machine doesn’t stop working in 2028 because some manager at Microsoft decided to retire its support cohort.

Your machine feels like it again. A five-year-old laptop running Windows 11 with Defender, OneDrive, Edge, and Copilot in the background is a five-year-old laptop fighting for its life. The same machine running Arch and a lightweight DE boots in 8 seconds and idles at 600MB RAM usage. It feels new because effectively it is new.

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What Linux Still Can’t Do Well

Honesty moment. If any of the following apply, think twice before switching:

• Specific kernel-level anti-cheat titles: Call of Duty (Warzone, BO6), Fortnite, Valorant, Destiny 2, Rainbow Six Siege. These explicitly refuse to run under Proton. If your life is lived in these titles, dual-boot or stay on Windows.
• Adobe Creative Cloud: Photoshop, Premiere, Illustrator have no native Linux build and run poorly or not at all under Wine. DaVinci Resolve, Krita, GIMP, Inkscape are real alternatives but are not drop-in replacements.
• Microsoft Office in its full fidelity: LibreOffice handles most Office documents fine; complex Excel spreadsheets with VBA macros and specific Word templates may render slightly differently. Office web works in a browser.
• Vendor-specific utilities: Some laptop vendor tools (Dell Command, Lenovo Vantage firmware update GUIs) don’t exist on Linux. Firmware updates generally still work via fwupd but the nice GUI doesn’t.
• HDR gaming: Getting gradually better on KDE Wayland; still rough on GNOME. If your monitor is OLED HDR and you care, check current state before switching.

Everything else — coding, web, video calls, email, document editing, casual gaming, media consumption, photography, note-taking — runs equally well or better on Linux.

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Enter JesterNet OS

JesterNet OS is a customisation layer we built on top of vanilla Arch Linux to make the transition from Windows or macOS as short as possible. Arch is famously “build-your-own-system” — which is great for sysadmins and terrible for someone who just wants their laptop to work again. JesterNet is the opinionated middle path: real Arch underneath (same rolling-release kernel, same pacman, same AUR access), with a desktop experience that feels familiar on day one.

Specifically:

• GNOME 45-49 with 19 extensions pre-enabled: blur effects, window tiling, system monitoring, the tray widgets Windows users actually miss
• DarkGlass — our glassmorphic theme with a cyan/magenta palette and proper transparency everywhere
• Dual desktop layouts: pick “Dock Bar” for a macOS-style experience or “Windows Bar” for a taskbar + start-menu setup on first boot
• Custom icon theme — 40+ application icons and 23 programming-language filetype icons
• Dev stacks on demand: one-click installers for Tauri, Android, Go, Python, Zig, and full web stacks (Node, Bun, Deno)
• Office and multimedia preconfigured: LibreOffice, OBS, VLC, Blender, GIMP, all set up sanely

The whole thing is MIT-licensed and lives on GitHub. We use it ourselves on our daily-driver machines. It’s maintained because we use it, not because we sell it.

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The Install Flow

You need two things: the laptop, and any USB stick 16GB or bigger. Total time for a careful first-timer: about 90 minutes. If you’ve done this before: 30-40 minutes.

Step 1 — Build a Ventoy USB

Ventoy is the easiest multi-boot USB tool in existence. You install Ventoy onto the USB once, then you can copy any number of ISO files onto it and boot whichever you want. Here we’re only using one ISO, but install Ventoy anyway — you’ll reuse it for everything else.

From an existing Windows/Linux/macOS machine:

# Download Ventoy from ventoy.net, extract, then:
sudo ./Ventoy2Disk.sh -i /dev/sdX   # replace X with your USB device

Step 2 — Download the Arch ISO

Grab archlinux-x86_64.iso from a mirror. It’s about 1.1GB. Copy it onto the Ventoy USB — no special tools, just drag and drop.

Step 3 — Boot the Target Laptop from USB

Plug the USB in, boot the laptop, mash F12 / F2 / Esc (varies by manufacturer) to get the boot menu, and pick the Ventoy USB. Ventoy shows you a list of ISOs on the stick — pick the Arch ISO.

You’ll land at a root shell prompt. You’re now running a live Arch environment.

Step 4 — Connect to WiFi

iwctl
# inside iwctl:
station wlan0 scan
station wlan0 get-networks
station wlan0 connect "YourNetworkName"
exit

Verify with ping archlinux.org. If you’ve got ethernet plugged in, this step happens automatically — skip it.

Step 5 — Clone JesterNet and Run the Installer

pacman -Sy git
git clone https://github.com/quantum-encoding/jesternet-os
cd jesternet-os
./install.sh

The installer asks you a short sequence of questions:

• Which disk to install to (detects NVMe, SATA, eMMC automatically)
• Hostname for the machine
• Username and password
• Timezone and locale

Then it partitions the disk, installs the Arch base system, bootloader, graphics drivers (picks Intel / AMD / NVIDIA based on detected hardware), and sets up GNOME. This takes 15-25 minutes depending on your internet connection.

When it’s done, reboot and pull out the USB.

Step 6 — First Boot and Theme

You land at the GNOME login screen. Log in with the credentials you set. Open a terminal and:

cd jesternet-os       # still there if you cloned to /home/<user>
./install-theme.sh

This installs the DarkGlass theme, icon pack, extensions, and offers you the dock-vs-taskbar choice. It takes another 5-10 minutes. Log out and back in when prompted.

You’re done. That’s a full workstation.

Step 7 — Optional Dev Stacks

If you want Tauri, Android, Go, Python, Zig, or full web stacks installed, the post-install scripts are in ./dev-stacks/. Run whichever you need:

./dev-stacks/go.sh        # Go toolchain + delve + golangci-lint
./dev-stacks/web.sh       # Node, Bun, Deno, pnpm, yarn
./dev-stacks/android.sh   # Android Studio + SDK + NDK
# etc.

Each script is under 100 lines of readable shell. Read them before you run them.

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Day-Two: Replacing Your Windows Workflow

A quick swap-table for common Windows apps:

Windows	Linux equivalent	Notes
Microsoft Office	LibreOffice / OnlyOffice / Office Web	OnlyOffice is the closest-feeling alternative
Outlook	Thunderbird / Evolution / Geary	All handle Exchange and IMAP
Edge / Chrome	Firefox / Chromium / Vivaldi	Everything except Edge-specific enterprise SSO
Windows Terminal	GNOME Terminal / Kitty / Alacritty	Kitty is the best of the three
WSL (Ubuntu)	…it’s Linux, you’re already there
OneDrive	Nextcloud / rclone / Syncthing	rclone mounts OneDrive natively if you must
Photoshop	GIMP / Krita / Photopea (web)	Krita for art, GIMP for photo, Photopea for quick edits
Lightroom	Darktable / RawTherapee	Darktable is genuinely excellent
Premiere	DaVinci Resolve / Kdenlive	DaVinci Resolve free tier is better than Premiere
Visual Studio Code	VS Code (official Linux build)	Same app, same extensions
Notepad++	Sublime Text / Gedit / Kate	Nobody misses Notepad++ after a week
WinRAR / 7-Zip	GNOME Archive Manager / tar / unzip	Built into the file manager
Steam	Steam (native Linux) + Proton	Same client, most games work
Discord	Discord (native Linux)	Same app
Spotify	Spotify (official Linux build) / spotify-tui
Zoom / Teams	Zoom (native) / Teams Web	Teams desktop is Linux-hostile; web works
OBS	OBS Studio (official Linux build)	Identical feature set

The only category that requires real thought is kernel anti-cheat gaming. Everything else has an equivalent you’ll get used to within a week.

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Buying the Right “Dead” Laptop

If you don’t already have a machine to rescue, here’s what to look for on eBay / Facebook Marketplace / CEX in April 2026:

Good candidates (all TPM 2.0 capable, all Linux-friendly):

• ThinkPad T480 / T480s / T490 (8th gen Intel, excellent Linux support)
• ThinkPad X1 Carbon 6th/7th gen (thin, light, great keyboard)
• Dell Latitude 7490 / 7480 (cheap, reliable, ubiquitous)
• Dell XPS 13 / 15 9570-9580 (great screens, NVIDIA in some XPS 15 models)
• HP EliteBook 840 G5 / G6 (underrated, often cheaper than ThinkPads)
• Framework 13 (2022+) — genuinely repairable, first-class Linux support
• MacBook Pro 2015-2017 with T1 chip (Linux boots cleanly; 2018+ T2 is harder)

What to verify before buying:

• Does the seller include the charger? (Genuine chargers are expensive)
• Battery health — look for “90%+ original capacity” or just factor in a £50 replacement
• Keyboard condition — mushy keys on a ThinkPad kills the whole appeal
• No cracked screen, no liquid damage markings
• Port count — USB-A and HDMI save you dongle headaches

What to avoid:

• Anything with a soldered 8GB RAM and no upgrade path
• Post-2020 machines with soldered everything (often Surface devices)
• Anything with a TN display (you’ll regret it immediately)
• Anything missing keys or with a missing battery
• Pre-8th-gen Intel Core i-series (slow by modern standards even on Linux)

Our pick for “£200 that still feels fast in 2026”: ThinkPad T480 or T490, 16GB RAM, 256GB SSD, upgrade the RAM to 64GB and the SSD to 4TB for another £550, add JesterNet OS, and you have a £750 workstation that outperforms £1,800 new Windows 11 machines on everything except AAA gaming and Copilot+ marketing features.

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Available on Amazon UK Right Now

If you don’t want the eBay roulette and want something shipped by tomorrow with Amazon’s A-to-Z guarantee, the Renewed / Refurbished program has all three of our top picks in stock. These are the specific listings we’d buy today:

Note on the Framework Laptop 13: it’s the ideologically pure choice (genuinely repairable, officially Ubuntu Certified as of April 2026, Linux-first design) but Framework sells direct from frame.work only — not through Amazon UK. If you want a new-build repairable Linux machine rather than a refurb, order from them directly. Starts at £1,199 for the DIY edition.

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Then Upgrade the RAM to 64GB (Seriously)

The base 16GB config on any of the laptops above is fine for light use, but 16GB is the new 8GB in 2026. Between a modern browser pinning 8GB across a dozen tabs, an IDE pinning another 4-6GB, a couple of container services in the background, and whatever messaging / note-taking / music / terminal stack you actually live in, a stock 16GB machine is always one context-switch away from swapping to disk. And swapping to an NVMe is fine occasionally — but as a steady state it kills interactive feel and it burns through SSD write endurance fast.

The upgrade that actually makes these refurbs feel new: 64GB RAM + 4TB NVMe. Both the T480 and the Latitude 7490 take 2×32GB DDR4-3200 SODIMMs (£220-£280 for the kit) and a 4TB M.2 2280 NVMe (£333 for a Samsung 990 PRO, £500+ for Gen 5). Open the back panel, swap both parts, done. Twenty-minute job. Zero soldering.

With 64GB you get:

• 20-30GB steady headroom instead of living at the edge
• Multiple VMs running comfortably — spin up Windows in a VirtualBox / GNOME Boxes instance whenever you need that one app that refuses to port
• Local LLM inference — Nemotron-Cascade 2 at 4-bit actually fits, which turns your £220 refurb into a usable AI dev box
• Long-lived browser sessions without Firefox hitting memory ceilings at 4PM
• Docker / containerd workloads that would OOM on 16GB

Full parts list, current UK pricing, and step-by-step install photos are in our 2026 Laptop Upgrade Guide →. The total spend on the upgrade (64GB + 4TB) lands around £550 in April 2026, which means a £150 T480 + £550 in parts = £700 for a 64GB / 4TB Linux workstation that will outlast the decade. Configure that spec on a new Windows 11 machine and you are north of £2,500.

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Honest Caveats

• Arch is rolling-release, which means it moves fast. You’ll get updates weekly. 99% of them are painless; the 1% that breaks something (usually an NVIDIA driver) needs you to read the output and think. If you want stability-first instead, JesterNet’s README covers the EndeavourOS path (same end result, slower-moving base).
• Dual-booting with Windows is fine but annoying. If you need specific Windows-only software, keep a small Windows partition and dual-boot. The Windows bootloader will need to be told to leave the Linux one alone — the installer handles this, but it’s the one step most likely to go wrong.
• Backup before you start. Any disk repartition operation can in principle wipe your drive. Back up anything on the target laptop you care about before running install.sh. The installer will ask for confirmation before touching the disk, but you are the safety net.
• Read the scripts. install.sh is ~400 lines of bash. You can read it in ten minutes and you should — both because it’s good practice and because understanding what’s happening to your disk makes the whole process less scary.
• We don’t sell support. The installer works for us and for the community that’s adopted it, but it’s open-source and volunteer-maintained. If you hit a novel problem, file an issue or check the Arch Wiki (the Arch Wiki is genuinely the best technical reference on the internet — this is not hyperbole).

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Related Reading

• The 2026 Laptop Upgrade Guide — RAM and NVMe prices, and why upgrading beats replacing
• Cutting-Edge Local LLMs in 2026 — what to run on the machine you rescued
• JesterNet OS on GitHub — source, issues, PRs welcome

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Sources

• Windows 10 end-of-life announcement
• Extended Security Updates documentation
• Copilot+ PC developer guide (NPU requirements)
• Windows 11 system requirements
• Ventoy official site
• Arch Linux downloads