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. We have made it as easy to follow as possible, with all the steps to get you up and running. Warning: You should only download these files when instructed to by the install guide. If you aren't following the guide, please go back and read it first. Fetching download count... Invasive and slow F**k Windows Upgrade to Atlas Over time, Microsoft has made Windows sluggish, clunky and invasive. Atlas brings life back to Windows, designed to maximize privacy, usability, and performance. We make Windows more responsive and less annoying, with many users also claiming improved framerates, while being configurable and compatible . By removing unnecessary background processes, telemetry, optionally disabling power-saving features and more. By removing Windows' advertising, and fixing general annoyances, you will have a more enjoyable Windows experience. By eliminating most of Microsoft's notorious tracking, pre-installed apps, and bloatware, Atlas makes Windows private. Why choose AtlasOS ? A lightweight modification of Windows, designed for enthusiasts and anyone alike who desires a trusted, performant experience without sacrificing functionality. Enhanced privacy by design Reduces Windows telemetry & data collection by disabling services & implementing privacy-focused policies for minimal data sharing. Optimized performance Implements meaningful enhancements for responsiveness & low latency without sacrificing stability or compatibility. Flexible security Customize security settings like Defender & SmartScreen. Balance protection and performance to your preference. Streamlined usability Removes bloatware & ads for a cleaner, faster interface configured for optimal user experience. Stays up-to-date Applies security patches and cumulative updates. Feature updates skipped to preserve optimizations. For both desktops & laptops Configure power-saving features for up to 3 hours extra battery life (internally tested on a Zephyrus laptop). Open & transparent Fully open-source using transparent, with many stargazers on GitHub. Audit and customize everything. Legal & reversible Complies with Microsoft's terms (no ISO redistribution). Peace of mind when using AtlasOS. AtlasOS vs. Stock Windows With reduced resource utilization, improved privacy, usability, and performance, why wouldn't you consider making the switch? We've reduced background CPU spikes significantly. Nothing that you don't need will run in the background. Thanks to Atlas we've seen ~1.5 GB of RAM usage freed on boot, which can then be allocated to other tasks. Higher FPS in games

Higher average framerates observed in competitive titles like Valorant on Windows 11. Ryzen 7 5800X3D, 16GB 3600MHz, RTX 2070 Super Trusted by the Pros The choice for peak performance Milliseconds decide matches. Top competitors rely on AtlasOS for the ultra-stable, low-latency environment needed to perform at their peak. Gain the edge that comes from eliminating system hitches and ensuring instant response, crucial in both practice and pro play. Smooth performance Maintain focus with consistent, hitch-free gameplay. Smooth performance Maintain focus with consistent, hitch-free gameplay. Instant input React faster with reduced input lag for critical moments. React faster with reduced input lag for critical moments. Optimized response Maximize hardware potential for a tangible competitive edge. Optimized response Maximize hardware potential for a tangible competitive edge. Are you a pro who uses Atlas or wants to get started? Get in touch . Valorant (Former Pro) What does our community think? Our community is fantastic and reviews us with a significant amount of positive feedback. We take great pride in our high rating, which reflects our commitment for improving Atlas. Reviews 184 - Excellent VERIFIED COMPANY Linus Tech Tips " If you can run Windows with this kind of performance ... Jeepers Creepers. " — Linus Sebastian (You don't need a new PC - AtlasOS E-Waste PC refresh) An open-source, GPL-3.0 project We are an open-source, community-driven project, licensed under GPL-3.0. We would greatly appreciate it if you check it out and, if interested, consider contributing to our vision. -- stargazers on GitHub Frequently asked questions AtlasOS officially supports Windows 11 . Yes! AtlasOS is the same as standard Windows, we support all functionality and all anti-cheats. There is nothing stripped from AtlasOS, giving you the same experience as standard Windows. It is required that everyone choosing to install AtlasOS follows our installation documentation . If you do not follow our installation documentation your installation of AtlasOS will be unsupported. No, AtlasOS does not provide a rollback or recovery option. You will need to reinstall Windows, just the same as you would need to reinstall Windows to install AtlasOS. We have a guide on how to do this in our reverting AtlasOS documentation . Join our community Be part of the Atlas community Join our thriving community of over 50,000 members and millions of AtlasOS users. Connect, share, and stay updated.