Download the OS Image

Please download and install the OS image we provided: https://github.com/bigtreetech/CB1/releases

Download and Install Writing Software

• The official Raspberry Pi Imager: https://www.raspberrypi.com/software/
• balenaEtcher: https://www.balena.io/etcher/
  Both of the above software can be used, just choose one to download and install

Format SD card

• Normally, you can format the SD card with the tools provided by the computer system. Completely format the SD card with professional SD card format software. https://www.sdcard.org/downloads/formatter/

Write OS

Raspberry Pi Imager

• Insert a MicroSD into your computer.
• Choose OS.
  
  
• Select "Use custom", then select the image that you downloaded.
  
  
• Select the MicroSD card and click "WRITE" (WRITE the image will format the MicroSD card. Be careful not to select the wrong storage device, otherwise the data will be formatted.)
  
  
• Wait for the writing to finish.
  
  

balenaEtcher

• Insert a MicroSD card to your computer through a card reader.
• Select the image that you downloaded.
  
  
• Select the MicroSD card and click "WRITE" (WRITE the image will format the MicroSD card. Be careful not to select the wrong storage device, otherwise the data will be formatted.)
  
  
• Wait for the writing to finish.