How to install Windows on Steam Deck SD card
Installing Windows on your Steam Deck's SD card is like trying to fit a square peg in a round hole; it's not what it's made for but here goes. First, you'll need to format your SD card to NTFS. Next, create a Windows 10/11 installation media on another PC using the Microsoft Media Creation Tool. Then, plug the SD card into your Steam Deck, boot from it by holding down the volume down button when you power on your device, and follow the instructions to install Windows. Remember, this is quite the workaround and might not give you the smoothest experience, so proceed with caution!
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Just a hot take, but why would you want to install Windows on your Steam Deck's SD card and possibly mess with the smooth gaming experience Valve designed for you? SteamOS is optimized for gaming on the go!
Successfully installed Windows 10 on my Steam Deck's SD card last week. The key? Patience and a fast SD card. Make sure you've backed up your games because this process requires formatting the card. Also, driver support is a bit sketchy, so be prepared for some tinkering to get things running smoothly. Totally worth it for the versatility, though!
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