Check that your PC meets Windows 11 system requirements
Open Settings
Go to Windows Update
Select Check for updates
Download and install Windows 11 if it is offered
If it is not offered, use the Windows 11 Installation Assistant from Microsoft
Alternatively, create a Windows 11 installation USB using the Media Creation Tool
Back up your files before upgrading
Follow the on-screen installation steps
Restart your PC when prompted
Sign in and complete setup after installation
