You still need a genuine Windows 11 ISO to use it, but what you do with that ISO afterward is now a lot more flexible. Tiny11 Builder, a free and open-source tool built by developer NTDEV, takes an official Microsoft Windows 11 download and strips out the apps, services and background components most people never touch, producing a smaller, cleaner installation image you build yourself.
That's the key distinction TechSpot's listing for the project makes. This isn't a pre-modified copy of Windows 11 Pro or Home floating around the internet. You point Tiny11 Builder at a Windows 11 ISO download straight from Microsoft, and its PowerShell scripts run Microsoft's own Deployment Image Servicing and Management tool against it to cut things down before you ever hit install.
There are two versions, and the gap between them matters a lot if you're choosing one.
The standard Tiny11 build removes preinstalled apps and optional components but keeps the parts that keep a Windows installation alive long-term: Windows Update, Microsoft Defender and the Windows Recovery Environment all stay in place. It's aimed at people who want a lighter daily driver without giving up the ability to patch the system, install additional Windows features later, or recover from a bad boot.
Tiny11 Core is the aggressive option, and it comes with a catch TechSpot flags directly: you cannot add features back once they're gone. Core strips out Windows Update, Defender and Recovery entirely and guts the component store along with them, which means the resulting install can't be patched or maintained the way a normal Windows 11 setup can. NTDEV's own guidance, per TechSpot, is blunt about where that leaves it: Tiny11 Core is built for testing, development work and disposable virtual machines, not for a laptop or desktop you actually live on.
One detail worth knowing before you start the build: the tool prompts you during image creation about whether to enable.NET 3.5 support, an option some older software still depends on.
The appeal here is obvious for anyone who has watched a fresh Windows 11 Pro install chew through storage and background CPU cycles before a single user app is even open. Shrinking that footprint has been a cottage industry around Windows for years, and Tiny11 Builder's pitch is that it does the trimming on your own official ISO rather than asking you to trust someone else's prebuilt image.
That said, this remains a tool for people comfortable with PowerShell and DISM, not a one-click utility for casual users. Tiny11 and Tiny11 Core are both available now as free downloads, and because the builder works against whatever Windows 11 ISO you supply, it should keep pace as Microsoft ships new feature updates, at least for the standard build that preserves Windows Update.
CDFiled by The Computing Desk
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