Hack · Steam Deck
Install Windows instead of SteamOS
Valve publishes the drivers needed to run Windows on the Deck, for software that only runs there. It replaces SteamOS unless you partition the drive first, and Valve offers no support for Windows itself.
Not written up yet. Here is what Hard Hub already has.
Does it work on mine
Steam Deck's models, not checked against this hack specifically yet
Steam Deck LCDSteam Deck OLED
What it costs
Hands-on~1.5 hCan brick it