Optimized Windows. Designed for enthusiasts. ... The latest version is Atlas v0.5.0 (October 21 2025)

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 …

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.

Indexing the contents of your PC helps you get faster results when you're searching it for files and other things. On Atlas, we have made indexing not search in your files to make the system more …

Looking to reinstall/install Atlas? Follow the Atlas installation guide instead. This page is for reverting Atlas.

Atlas applies many interface tweaks to improve Windows' general usability, with customizability in many changes. For example, you could toggle Windows 11's modern context menu.

If you are trying to install Windows 11 (as part of the AtlasOS installation process) and encounter an error stating your PC doesn't meet the requirements, you may need to enable TPM in your system's …

Troubleshooting directory located in the Atlas folder, which you can find in the Start Menu or on the desktop. Check out our guide to restore the Atlas folder if you can't find it.

Atlas's goal is to make a stable and easy-to-use Windows modification that almost everyone can use, with a strong focus on compatibility and usability. However, with that in mind, we wouldn't …

Explains why the standard Windows 'Reset this PC' feature doesn't work with AtlasOS and details the correct procedure.