We show you how to install Windows 11/10 on a new or secondary SSD or HDD. Using this you can have two versions of Windows on the same computer - but different drives.

Check this comprehensive guide and learn how to install Windows on your Steam Deck via external and internal drives.

How do I install Windows on a SSD instead of HDD? To set up Windows on an SSD instead of HDD, connect the SSD and a bootable USB drive with the Windows installation files.