How to Create a Podcast
Keep in mind that the end result is a digital audio file in some format. MP3 is the most common and easy to both create and put on your website. You can always convert the file format if you need to, so let's assume you will be creating an MP3.
Now that you know what you will end up with, what should you start off with? A script is a great idea, so you can practice and get it just right before you record. You can use an outline if you prefer. As long as you know what you want to say, and you can say it smoothly and convincingly.
What about the bits in between?
First, you need to record your voice. For this you need a microphone and a recording device. The better the microphone, the better the results. The recording device is also important, but the microphone is even more important.
Now set up the recording equipment in a quiet location. Your office might be OK, or the basement, or a closet.
Say your piece. Probably it is a good idea to deliver your audio performance a few times. Record two or three versions, so you can pick the best one.
Transfer the recording to your computer (if you didn't use your computer to do the recording).
When you do the editing, get rid of the bumps and clicks. If you did a few takes, choose the best one, but you can always copy good parts of the bad take to fix bad parts of the good take.
With your editing done, save the result as an MP3 file.
And you are pretty much done! You just need to put the audio file on your website where people can listen to it. There are many ways to do this, so once again, this is a separate subject.