If you order a Raspberry Pi without an SD card preloaded with New Out Of Box Software (NOOBS), you will need to provide your own SD card and manually install an operating system.

When working with Raspberry Pi, many hobbyists' and makers' go-to operating system for their board is the Raspberry Pi OS, and for good reason. It's easy to install and all but guaranteed to work ...

If you want to install Windows 11 on Raspberry Pi4, make sure you meet the system requirements mentioned and then follow these steps.

The Raspberry Pi Foundation has created a new Network Installer tool that allows Raspberry Pi owners to install an operating system onto their devices without the need for a separate computer.

And, as you're going to be installing and using Linux on your Raspberry Pi, it makes good sense to create your SD card from within a Linux environment.

A note to OSX users: I originally hoped to include instructions on how to flash an SD card for RaspPi2 using OS X or Linux but, sadly, Microsoft’s FFU image files require specific Windows file ...

On Raspberry Pi, the SD card is an essential component: without it, there's nowhere for rather important features such as an operating system, like the official Raspbian OS.