All you need is a solid podcast mic, something to record it into (ie. a laptop or PC) and a way of editing the audio later. Oh, and don't forget you'll need something to say. That’s kind of important.

I’m not a professional producer or recording engineer ... that the SD-1 sounds fantastic in its own right—a classic dynamic mic, with a flat frequency response—perfect as-is for vocals ...

However, if you are recording a podcast or streaming games, it may be prudent to invest in a good professional cardioid condenser microphone that is often able to isolate the user’s voice better ...