Desktop Widgets
Clocks, calendars, notes, weather — always visible on your desktop.
v1.0.1 — Free & Open Source
Customize your Windows desktop
Free, open-source desktop customization for Windows. Add widgets, monitors, notifications, and productivity tools — or build your own with the open plugin API.
Open Source·Windows 10 & 11·Under 50 MB RAM·Secure Sandbox·No Account Required
Everything you need to customize Windows
Widgets, monitoring, notifications, security, and extensibility — all built in.
System Monitoring
Real-time CPU, GPU, RAM, disk, and network stats at a glance.
Notification Widgets
Desktop alerts, reminders, and updates so you never miss what matters.
Tool Workshop
Browse and install community tools from the built-in marketplace.
Secure Sandboxing
Every plugin runs isolated with granular permissions. Your system stays safe.
Fluent Dark UI
Modern Windows 11 Fluent design language with full dark theme support.
Build Your Own
Open plugin API — create, package, and share tools with the community.
Auto Updates
OverlayOS and all installed tools stay current automatically.
Lightweight & Fast
Under 50 MB RAM. Runs silently without slowing your PC.
Get started in seconds
Three steps to a customized desktop.
1
Download
One-click installer, no account needed.
2
Discover
Browse community tools in the Workshop.
3
Customize
Widgets, monitors, and more — your way.
Frequently Asked Questions
Everything you need to know about OverlayOS.
What is OverlayOS?
OverlayOS is a free, open-source desktop customization app for Windows 10 and 11. Add widgets, productivity tools, system monitors, and notification panels directly to your desktop — a modern widget host that makes Windows truly yours.
Is OverlayOS free?
Yes — completely free and open source. No subscriptions, no ads, no hidden costs. Download, use, and contribute on GitHub.
What kind of widgets can I add?
System monitors (CPU, GPU, RAM, disk, network), notification widgets, clocks, calendars, notes, and more. Browse the built-in Tool Workshop or build your own with the open plugin API.
Does it work on Windows 10 and Windows 11?
Yes — both Windows 10 and Windows 11 (64-bit). Everything is bundled in the installer, no additional runtime needed.
Is it safe to install community tools?
Every community plugin runs in a secure sandbox with isolated permissions. Plugins cannot access files, network, or system resources unless you explicitly grant permission.
How much resources does it use?
Typically under 50 MB RAM with minimal CPU usage. Designed to run silently in the background without affecting performance.
Download OverlayOS for Windows
Free, open source, and ready to customize your desktop. Windows 10 & 11 (64-bit). No account required.
Windows Installer (x64)v1.0.1·51.9 MB·.exe installer
System Requirements
Windows 10 or later (64-bit)No additional runtime required