NOOBS is an operating system installation manager that provides an easy way to install Raspbian as well as some other operating systems. Here’s how to use it: Download NOOBS from the official website. Format an SD card to FAT32. Extract NOOBS from the .zip archive. Insert the SD card into Raspberry Pi and copying the NOOBS to the SD card. Launch the NOOBS installer and follow the on-screen instructions to install Raspbian.