.. _flashing: ======== Flashing ======== Getting EmbassyOS ----------------- After building your device, you need a copy of EmbassyOS. * Visit the `latest EmbassyOS release page on Github `_ to download an image of EmbassyOS. It is `eos.tar.gz`. Installing EmbassyOS -------------------- Once you have the EmbassyOS image, you will need to flash it onto a microSD card. #. Download `balenaEtcher `_ onto your Linux, Mac, or Windows computer. #. Insert the microSD card into your computer, either directly or using an adapter. #. Open balenaEtcher. .. figure:: /_static/images/diy/balena.png :width: 60% :alt: Balena Etcher Dashboard #. Click "Select Image" and select your downloaded copy of EmbassyOS. #. Click "Select Target" and select your 32GB microSD card. .. warning:: Be certain you have selected the correct target microSD card. Whatever target you select will be completely erased and replaced with EmbassyOS. #. Click "Flash!". You may be asked to (1) approve the unusually large disk target or (2) enter your password. Both are normal. #. After the flash completes, you may remove the micro SD from the adapter, insert it into your Embassy's SD card slot, and continue to the :ref:`Initial Setup ` or :ref:`Update by reflashing ` instructions.