It is a good thought to create a blog in Wordpress as it has plenty of opportunities for creating, designing and moderating it.
First of all, you didn't mention about is it, Wordpress Hosted blog or Self Hosted blog. So be clear so that we can give you proper details.
WordPress Hosted Blog :
It is very simple to create. Just Login to wordpress and create a domain name of your wish like, "abcd.wordpress.com". This is usual like what you will create in blogspot. After creating it, there will be many themes which are free and you just upload it to your blog. And there also many plugins which can be used to make your blog more attractive and user-friendly.
Like in blogspot, we don't have any coding kind of stuff. Here in Wordpress it is fully just a install and uninstall options only. So it is more easy for a common man to use wordpress and design a blog.
Self Hosted Blog:
For this you need to buy a domain name and hosting from any registered company. Once you buy it, you need to change the Name Server of the Domain name to your Hosting name server. After doing this, you need to to Cpanel of your hosting and install wordpress from it to you domain. So a basic a wordpress theme will be installed and you will be able to open you site online.
After this, you can install the themes according to your need. There are both free and premium themes in the market which you can use. And also there are huge number of plugins for each and every task and design which makes your work simple. Just give your query like what kind of design or your need and a plugin will come to your in search. Make it more attractive using the most.
Once you are setup with the blog, now its your job to write quality contents. Content is king, so concentrate on it for your success.
All the Best.
Live Your Life Your Way