AtlasOS is creating a "kinder" Windows experience. Reducing bloatware and optimizing performance for enthusiasts, gamers, and privacy-conscious individuals. The latest version is Atlas v0.5.0 (October 21 2025) To get started, you are required to follow our installation guide.

Version v0.5.0 brings more customizability, stability, and compatibility to Atlas, with many critical bug fixes and more Windows feature support. Most notably, Windows 11 25H2 support, AtlasOS Toolbox, and ISO Injection

For systems that do not have Atlas installed, or matching anything below. For systems that currently have Atlas installed. Licensed under CC-BY-SA-4.0. Some resources on this site may have different licensing terms. AtlasOS is not affiliated with Microsoft.

This guide will walk you through fully reinstalling Windows, installing Atlas on top of it, and completing other necessary steps. A full Windows reinstall is needed to ensure stability during the initial installation of Atlas.

AtlasOS is an open source project that modifies Windows and removes all of the negative drawbacks that affect gaming performance. We are a great option for reducing system latency, network...

AtlasOS, or Atlas, is an open-source project that enhances Windows by conveniently applying privacy, usability, and performance optimizations, all while maintaining functionality and customizability.

Atlas is an open-source, script-based modification for Windows that enhances usability, privacy, and performance. It strips unnecessary background services, disables telemetry, and includes gaming and latency optimizations to make Windows feel lean and fast for enthusiasts.

This is an unofficial site for AtlasOS related resources hosted by @PencilNav. For the latest up-to-date information, visit atlasos.net. AtlasOS is not affiliated with Microsoft.

AtlasOS, or Atlas, is an open-source project that enhances Windows by conveniently applying privacy, usability, and performance optimizations, all while maintaining functionality and customizability.

Atlas OS is a pared-down version of Windows 10 created to prioritize system responsiveness, especially for gaming. By disabling or removing nonessential Windows features, it reallocates system resources to foreground tasks.