If you have an ARM-based CPU, you can only use Atlas with Windows 11.64-bit CPU ( you can check what you have).We recommend choosing Windows 11 if you meet the official requirements.For Windows 11, you can bypass the TPM and Secure Boot requirements, although it is not recommended.Meeting the system requirements for Windows 11 or Windows 10.It is recommended to take a look at our page on who Atlas is for before installing. To install AtlasOS currently, Windows must be activated beforehand. AtlasOS complies with the Windows EULA activation in Windows is not modified.