If you have an older 32-bit processor, your hardware cannot run Windows 11. You must stick with Windows 10 (which does support 32-bit) or upgrade your computer's hardware. What is an "All-In-One" (AIO) ISO?

Option B — Single-ISO multi-edition USB (one ISO with multiple editions inside):

Download the from the official Microsoft site. Launch the tool and accept the license terms. Confirm the language and edition choices. Select USB flash drive when prompted for the media type. Select your inserted USB drive from the list.

To ensure your system remains secure and stable, you should always acquire your installation media directly from Microsoft. Microsoft provides three secure methods to get the authentic 64-bit ISO. Method 1: Windows 11 Installation Assistant

Do you need help for older machines?

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

Windows 11 is designed exclusively for 64-bit architectures; therefore, an official 32-bit (x86) ISO file does not exist

Run the tool and select .