Boot your Raspberry Pi and you will be presented with a menu offering many different operating systems for installation. Tick the box next to Raspbian and then click Install and wait.

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. It doesn't make the installation any better ...

The Raspberry Pi 5 has made strides in performance, but running something as complex as OpenAI’s GPT-4 might be asking too much of it. However, don’t be discouraged.