Before you even think about downloading the ISO, you must ensure your PC can run Windows 11. Microsoft set high hardware requirements to improve security and stability, and Windows 11 includes the following mandatory requirements that must be met before the installation can proceed.

Accept the license terms and select your language and edition.

Microsoft provides three main ways to get the Windows 11 installation files: Download Windows 11 - Microsoft

You can download the official multi-edition 64-bit ISO directly from the Microsoft Download Windows 11 page.