You can easily set up a blog using Wordpress. The most popular blogging tool. It has a large community and it is user friendly. If you want to do it yourself then I would like to share an online tutorial that is very useful. You may visit http://www.simplewebsitetutorials.com which is a practical guide very easy to learn and understand. It also gives information about tips for beginners and Wordpress related information. I hope this tutorial helps you!