Back up your important files
Check that your PC meets Windows 11 requirements
Get an 8 GB or larger USB drive
Download the Windows 11 ISO or Media Creation Tool from Microsoft
Create a bootable Windows 11 USB using the Media Creation Tool or Rufus
Insert the USB drive into the PC you want to install Windows 11 on
Restart the PC and open the boot menu or BIOS/UEFI setup
Set the USB drive as the first boot device
Save changes and restart
Press any key if prompted to boot from the USB
Select language, time, and keyboard settings
Click Install now
Enter your product key or choose I don’t have a product key
Select the Windows 11 edition if prompted
Accept the license terms
Choose Custom: Install Windows only
Select the drive or partition where you want Windows 11 installed
Delete or format partitions if needed
Select the unallocated space or target partition and click Next
Wait for Windows 11 to install and restart
Complete the setup steps after reboot
Remove the USB drive when prompted or after the first restart if needed
Sign in and finish Windows 11 setup
Install drivers, Windows updates, and necessary apps