Give an Old PC a Second Life — ChromeOS Flex & Linux Mint

The option nobody at the store mentions

Since Windows 10 support ended in October 2025, the standard advice for older PCs has been "time for a new one." Sometimes that's right — I wrote a whole guide about moving to a new computer. But there's a middle path that doesn't get much airtime because nobody makes money on it: replace the software instead of the hardware. ChromeOS Flex (free, from Google) turns an old PC into an almost-Chromebook. Linux Mint (free, community-built since 2006) gives it a desktop that deliberately feels like the Windows you already know.

The catch — and this guide is honest about it — is that both options replace Windows completely. Your installed Windows programs don't come along. If your computer time is email, Facebook, news, banking in a browser, and video calls, a conversion can be a genuinely great outcome. If you depend on QuickBooks Desktop or any other Windows-only program, this path isn't for you, and the guide says so on page 5 rather than page 20.

The honest fit test — take it before anything else

• Good fit: your computer time is email, web browsing, Facebook, news, YouTube, and video calls — and your banking happens on the bank's website.
• Good fit: the documents you write are letters and lists — things a free word processor handles fine.
• Not a fit: you run QuickBooks Desktop, desktop TurboTax, embroidery or genealogy software, or any installed Windows program you can't live without.
• Not a fit: a device you own (scanner, hobby equipment, specialty printer) only talks to Windows software.
• The one-week test: jot down everything you do on the PC for a week. If it all happened inside a web browser, you're a strong candidate.

Option 1: ChromeOS Flex — the almost-Chromebook

ChromeOS Flex is Google's free operating system for ordinary PCs and Macs. It boots fast, updates itself automatically, and lives almost entirely in the Chrome browser — Gmail, Facebook, YouTube, banking, Zoom, all through the web. Google publishes modest minimum requirements (a 64-bit Intel or AMD processor, 4 GB of RAM, 16 GB of storage) and a certified models list on its support site showing which machines it guarantees. One surprise worth knowing before you commit: unlike a real Chromebook, Flex does not run Android apps or the Google Play Store — and like Mint, it runs no Windows programs at all.

Option 2: Linux Mint — the one that feels like Windows

Linux Mint is a free operating system built by a volunteer community since 2006, and its standard Cinnamon desktop is laid out like classic Windows: menu button bottom-left, taskbar along the bottom, files and folders where you expect them. It ships with Firefox and the LibreOffice suite (which opens and saves Word files), gets new programs from a built-in Software Manager, and asks very little of old hardware — officially about 2 GB of RAM and 20 GB of disk minimum, with 4 GB recommended for comfort. As of mid-2026 the current version is Mint 22.3 "Zena," released January 2026 and supported into 2029.

The try-before-you-install trick

1. Download Linux Mint (linuxmint.com) or build a ChromeOS Flex installer with Google's free Chromebook Recovery Utility.
2. Write it to a USB stick with a free tool like balenaEtcher — everything on the stick gets erased.
3. Boot the old PC from the stick (the boot-menu key is often F12, F9, or Esc, depending on brand).
4. Run the full system live from the USB — your Windows install stays completely untouched.
5. Spend a real hour testing: Wi-Fi, sound, screen, your printer, your bank's website, your email.
6. Shut down, pull the stick, and Windows is exactly as you left it. Decide with zero risk.

Back up first — not optional

Installing either system erases the entire hard drive, permanently. Before anything gets wiped: copy your Documents, Pictures, Desktop, and Downloads folders to an external drive; export your browser bookmarks and saved passwords; make sure you know your email password without the computer's help; and — the step people skip — open a few files from the backup drive to prove the backup is real. If you use the old Outlook or Thunderbird programs for email, your mail may live in files on the machine, and that one item is worth expert help before wiping.

When to recycle instead

• 32-bit processor: current Flex and Mint both require 64-bit — the road genuinely ends here.
• Failing hardware: clicking drives, random shutdowns, overheating, a swollen battery, or hinges that won't hold the screen.
• Pre-2010 vintage or under 4 GB of RAM with no way to upgrade — it may boot, but it won't be a kindness.
• Where it goes (as of mid-2026): Best Buy takes most consumer electronics free in-store (generally up to three items per household per day, a few item types carry fees); Staples recycles computers and laptops free at stores (no TVs); and the Portage County Solid Waste District center on Mogadore Road in Kent takes resident computers at no charge — call (330) 678-8808 or check portagerecycles.com for current rules.
• First, the hard drive: wipe it properly or have it pulled before any machine leaves the house — it holds your tax returns and passwords.

What's in the printable PDF

• What actually happened to Windows 10 — and the ESU breathing room you have right now.
• The honest fit test: who a conversion suits, who it absolutely doesn't, and the one-week proof.
• ChromeOS Flex in plain English — what it is, what it costs ($0), and what daily life looks like.
• What you give up with Flex: no Windows programs, and (the surprise) no Android apps or Play Store.
• Google's requirements and certified models list — and how to check your machine against them.
• Linux Mint 22.3 "Zena" — why the Cinnamon desktop feels like the Windows you know.
• The live USB test-drive, step by step, with a one-hour testing checklist.
• Both installs mapped out — including exactly where the point of no return is.
• Flex or Mint? A decision table and tiebreakers.
• The back-up-first pages and a 10-point before-you-wipe checklist.
• When to recycle instead — honest signs a machine has earned retirement, and where to take it around Portage County.
• A cut-out one-page version of the whole plan, plus what my $99 conversion visit includes.

Why I wrote this

Nobody makes a commission recommending free software for a computer you already own — which is probably why this option rarely comes up at the store. I like it because it's often the right answer for the email-and-Facebook machines I see every week, and because less e-waste is a good thing. But only when it fits: I'd rather talk you out of a conversion on a free phone call than convert a machine that needed to stay on Windows. This guide is the whole decision, honest parts included, written for the kitchen table. — Bill