The first method to install Windows on the Steam Deck is booting it from a micro SD card or a USB Drive First. This method keeps the installation on the memory drive.

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A Steam Deck comes with 64, 256, or 512GB of onboard storage that you can expand with a microSD card. Here’s how to install and format the best cards.

Preparing a new micro SD card for your Steam Deck only takes a few simple steps, allowing you to install even more games.