that is a good question , “how to blog” .. so let’s take it step by step :
1.in order to blog we need a blog so a good approach would be a free blog that would not cost money at all.
To get your free blog just click on Sign Up button
2.now since we have a beautiful subdomain created we are just one step from blogging so again how to blog ?
3.easy at it sounds , since we already have our free blog we just start posting .. and how ?
4.login in your free blog account,I would recommend to change the settings with some appropriate names
then click “Posts” tab and click “Add new” after.
So in just a few steps you understood how to blog and how easy it is.
Try to follow all menu till you get familiarized with it so you can really personalize the free blog
and start typing , for all the process of “how to blog” this is the harder part, express your emotions and
feelings and also update images to support them .. hard part right ? witch picture to post ?
naah .. better post as many as you have since even that you just followed a short “how to blog”
tutorial on a free blog platform you have enough space to store the images 
Happy blogging