By default, your Raspberry Pi will run some version of the Raspberry Pi OS, but using the 32-bit version. If you have a Raspberry Pi 4, the product specification clearly states that you have a 64-bit processor. At the time of this writing, the 64-bit version is still in development. But if you want to give it a try, here are the steps. — Installing the Raspberry Pi Imager Let’s make sure we are all on the same page. I have a Raspberry Pi 4 Model B with 8GB of RAM. The installation process should be similar to any older or newer Raspberry Pis.