Create a Windows 10/11 Lite ISO
Build a Windows 10 or 11 lite ISO from an official image: remove bloat, Copilot, and telemetry, keep updates working. Safer than any prebuilt lite download.
Build your own Windows lite ISO - Windows 10 or 11 - from an official Microsoft image: remove preinstalled apps and unwanted components, turn off telemetry, keep updates working, and reuse the whole configuration as a preset for every future build.
Prefer the recipe over the download. A prebuilt lite ISO hides its choices, update state, and distribution chain. Build from an official Microsoft ISO instead - and if you admire someone's build, load it in NTLite and extract its state into a preset: most of the recipe comes out, ready to replay on a clean source.
What a Lite Windows Means
A lite install is a stock Windows with less in it: fewer preinstalled apps, fewer background services and scheduled tasks, no consumer promotions, and optionally whole feature stacks removed (Copilot, Recall, OneDrive, Xbox, telemetry).
Speed is the visible gain: faster install, fewer processes at boot, less memory and disk. The point is as much what is not there - nothing to switch off after setup, no telemetry or consumer features phoning home, and a smaller attack surface, since code that is not installed cannot be exploited or need patching. How far each goes depends on how far you take the removals.
NTLite does this at the image level, so every install from your ISO comes out clean - nothing to script or debloat after setup. The one recurring chore: a cumulative update brings removed pieces back, and a single click cleans them again (see Updates and Removal Depth).
What You Need
- An official Windows ISO from Microsoft: Windows 11 or Windows 10 - the flow is the same for both
- NTLite - app removal, tweaks, unattended setup, and ISO creation work in the free edition; component removal Premium beyond a basic subset needs a paid license
- A virtual machine or spare device to test the result before real use
Build It Step by Step
1. Load the Image
On the Image page, load the ISO and pick the edition you actually deploy (usually Pro or Home). A Windows 10 or Windows 7 ISO loads the same way, and an LTSC edition is the leanest official base - no Store apps to remove. Fewer editions kept = smaller ISO; see Multi-Edition Images if you want several in one ISO.
2. Remove Apps and Components
On the Components page, first set Compatibility options for what must keep working - Windows Update, printing, USB, video playback, and your hardware. These lock protected components so a removal cannot silently break something you rely on.
Then start from a Template (toolbar menu): one click unchecks a curated component set per level - Privacy → General → Lite, each removing more than the last, with Lite the deepest.
Fine-tune from there. Set the filter row's Show drop-down to Apps to see only the preinstalled user and system apps in one view, and uncheck what the template left that you do not want - Store apps, Copilot, Recall, OneDrive, Xbox. Switch back to All for the media and consumer feature components.
Free or paid on this recipe: app removal, Settings tweaks, scheduled tasks, unattended setup, and ISO creation all work in the free edition (personal use), along with a basic subset of component removals. Removing components Premium beyond that subset is what any paid tier unlocks; Home, Professional, and Business share one feature set (see Pricing). Try it first: download, run the free removals on this recipe, and decide on a license after that.
Removing a component also removes its services and scheduled tasks, so most background load goes with the removals above. The Services tab and the Scheduled Tasks page are for the surgical case: keep a component but disable one thing it runs - telemetry collectors and promotion tasks are the usual targets on a lean build.
3. Privacy and Behavior Tweaks
The Settings page covers telemetry level, advertising ID, suggestions and tips, and hundreds of other defaults - applied into the image, so they are live from first boot.
4. Automate Setup
On the Unattended page, preconfigure the installer: skip the out-of-box questions, create a local account without a Microsoft account, set locale and partitioning. A lite ISO that also installs itself is the real time saver.
5. Apply and Create the ISO
On the Apply page, review the pending changes, enable ISO creation, and start.
For a FAT32-formatted USB drive (the safe default for UEFI booting), SWM splitting is the first choice: it splits the install image into parts guaranteed under FAT32's 4 GB per-file limit, with far less processing than recompression. ESD compression produces the smallest ISO overall but is slower and heavier on the system.
Save the preset - your entire lite configuration replays on any future Windows build in a few clicks.
Updates and Removal Depth
How you update a lite install later comes down to one choice at removal time: servicing stack compatibility. Both modes remove the same active components - they differ in how deep the cleanup goes, and which update path remains.
- Servicing stack compatibility enabled - preserves Windows Update compatibility by keeping most WinSxS store files (passive files, no runtime cost). Each cumulative update installs directly, through Windows Update or NTLite. After updating, run Tools → Remove Reinstalls (or
ntlite.exe /CleanCU) to re-clean what the update brought back. - Servicing stack compatibility disabled - deep removal that cleans WinSxS as well, for the smallest possible install. Cumulative updates no longer apply directly; keep Host Refresh compatibility enabled when removing, then update monthly with the Host Refresh Wizard - it re-applies a refreshed image of the same type over the live install, keeping files and settings. Reinstalling from a refreshed ISO also works.
Either way, integrate the latest cumulative update into the image before deploying - see Integrate Windows Updates.
Shrink Further: Extreme Lite Without Removing Components
An extreme lite build for a virtual machine or a small disk gains its last few gigabytes from the installed footprint, not from more removals. Three levers shrink it without touching a single component, and each can be set in the image before install or on a running system afterwards:
- Compact OS - Windows stores its own files compressed. Before install: enable Compress Windows (Compact OS) on the Unattended page. After install, or for tighter LZX compression: the Post-Setup page's Template menu carries a Compact OS - LZX entry.
- Hibernation - the hibernation file is about three quarters of RAM by default. Drop it with the Post-Setup Template → Disable hibernate entry, or keep hibernation and shrink the file with the Hibernation size (RAM %) tweak on the Settings page.
- Pagefile - the Paging file (pagefile) Settings tweak sets a fixed size for a VM with a small fixed disk. Disabling it outright is possible but not recommended.
Push the Lite template further by hand as well, testing in a VM between rounds. On an existing install, load the running system from the Image page (next section) and the same Post-Setup templates apply to it directly.
Slim Down an Existing Install
No reinstall needed: NTLite loads the running system (live install) with the same toolset - remove apps and components, apply the privacy tweaks, and trim services and scheduled tasks directly on your current Windows. Load it from the Image page like any other source.
Tip: Test image-level removals in a VM first, then replay the same preset on the live system once you are happy with it. And back up the live system (system image or restore point) before editing it - removals on a running install are not as reversible as rebuilding an ISO.
Questions
Does Windows Update still work on a lite install?
Yes, when servicing stack compatibility stays enabled at removal time. Cumulative updates then install through Windows Update or NTLite as on a stock system, and Remove Reinstalls cleans up what an update brings back. The Updates and Removal Depth section above covers the two removal modes and what each means for updating.
Can I update a lite install later without reinstalling?
Yes. With servicing stack compatibility enabled, updates apply in place. With the deeper removal mode, the Host Refresh Wizard re-applies a refreshed image of the same type over the running install and keeps files and settings, so a monthly refresh replaces the direct update.
Is building a lite ISO legal and safe?
You start from an official Microsoft ISO and your own license, and Windows activation works exactly as it does on a stock install. App removal in the default DISM mode uses the standard Windows servicing path, so it stays within what Microsoft supports. Component removal goes further than Microsoft supports: a future update or a new app can expect a piece that is no longer there. The Compatibility options lock what your hardware and workflow depend on; they are built from years of user feedback and testing rather than a guarantee, so report anything they miss on the forum. A virtual machine test catches the rest before real use, and the preset lets you rebuild with one more component kept in minutes. Keep the removals to what you understand and are willing to maintain; the control over your system is the reward for that. Prebuilt lite ISOs from third parties are the unsafe path, not the recipe.
Does this work for Windows 10 and Windows 7 as well as Windows 11?
Yes. The flow is identical for a Windows 10 ISO, including LTSC editions, and for Windows 7; the same preset replays across versions where the components exist. Load the older image in step 1 and continue as written.
How much of this recipe works in the free edition?
App removal, Settings tweaks, scheduled task trimming, unattended setup, live install editing and ISO creation all work in the free edition, which is for personal use, along with a basic subset of component removals. Removing components beyond that subset needs a paid license, and every paid tier unlocks the same feature set. The Pricing page lists the premium features in full.
Next Steps
- Integrate the latest cumulative update before deploying - see Integrate Windows Updates.
- Keep a deployed lite system current with the Host Refresh Wizard.
- Ship several editions in one ISO - see Export & Convert guide.