First, select the operating system ISO by clicking 'SelectImage', then the ISO file.ģ. You can download Raspbian from the Raspberry Pi Foundation.Ģ. You also need to have the selected ISO file ready. First, download and install balenaEtcher. balenaEtcher is available for macOS, Linux and Windows.ġ. It will flash the operating system's ISO files, creating the exact partition table on the same SD card. The simplest option is to use balenaEtcher to flash and format the SD card. Format SD card manually on Windows and macOS.Use Etcher to format and flash SD cards.Instructions for formatting the SD card for use with the Raspberry Pi