The Raspberry Pi is a low cost, credit-card sized computer and enables people to explore computing and learn how to program in languages like Scratch and Python and used to build smart devices The use cases of Raspberry Pi is endless.
In Raspberry Pi, You can run many different operating systems including various Linux distributions such as Arch Linux, Windows 10 IoT and FreeBSD.
Raspbian now called as Raspberry Pi OS is the recommended OS by the Raspberry Pi Foundation. It is based on Debian, built specifically for the Raspberry Pi boards.
Install Raspberry Pi OS (Raspbian) on Raspberry Pi


Downloading Raspberry Pi OS (Raspbian)
Raspberry Pi OS comes pre-installed with plenty of software for education, programming and general use. It has Python, Scratch, Sonic Pi, Java and more. The Raspberry Pi OS with Desktop image contained in the ZIP archive is over 4GB in size. if you’re installing in low ram versions Raspberry pi zero you can go with Raspberry Pi OS (32-bit) Lite which is around 500Mb.
Preparing the SD card
Before flashing the image to the micro SD card first you need to format it to FAT32 file system. The Raspberry Pi’s bootloader supports reading only from FAT file systems. If your SD card that is 64GB or larger make sure it is formatted as FAT32 NOT as exFAT.
Flashing Raspbian OS
Open Etcher downloads page, download Etcher software


- Insert the SD card into your SD card drive and Launch Etcher.
- Select image button and locate the Raspbian zip file, which we download before from Raspberry official website.
- Click on the “Flash” button and the flashing process will start.
The process may take several minutes, depending on the size of the ISO file and the card speed.