You will need a flashing tool to write the image to your 32GB card. : Use the Raspberry Pi Imager or USBImager. Steps : Insert your 32GB SD card into your computer. Open the imager and select CHOOSE OS -> Use Custom . Select the downloaded Batocera image file. Choose your SD card under CHOOSE STORAGE . Click WRITE (or Next) to begin the flashing process. 3. First Boot and Setup Insert the flashed SD card into your Raspberry Pi 3. Connect a keyboard or controller and power it on.
Batocera auto-detects most controllers. If it doesn't: Download Batocera 32gb Raspberry Pi 3
The most secure way to obtain the operating system is via the official Batocera Download Page Select the Correct Build : Look specifically for the Raspberry Pi 3 B/B+ model under the "Raspberry Pi" section. File Format : The download will typically be an file. For instance, recent stable builds for the BCM2837 architecture 32GB Requirement You will need a flashing tool to write