Steam Deck is a PC, and other applications and OSes can be installed. If you’re installing Windows, you will need a few additional drivers to have the best experience. Links to these, along with notes for installing Windows on Steam Deck can be found below.
We are providing these resources as is and are unfortunately unable to offer ‘Windows on Deck’ support. If you get stuck and need a way back to the default Steam Deck OS, please follow these recovery instructions.