Go to the official Microsoft Windows 11 download page
Choose the Windows 11 installation option you want
Select Download now for the Installation Assistant, or Download tool now for the Media Creation Tool, or Download ISO for the disk image
Open the downloaded file
Follow the on-screen prompts to complete the download or create installation media
If using ISO, save the file to your device
If using a USB installer, insert a USB drive and let the tool create the bootable media
If upgrading from Windows 10, run the Installation Assistant and follow the prompts
Restart your PC if prompted
Check that your device meets the Windows 11 system requirements before installing