Create a front page in pages chooses add new page title it home, Create a blog page, If choosing to add a blog, Choose add new page again, Go to administrations , settings, reading panels.
Hello, you will get full idea and information with real example from "codex.wordpress.org/Creating_a_Static_Front_Page". If you need professional information, you should follow this guideline.
Open up the wordpress site, register your account there. After creating your account you will be able to see a article writing icon in top right corner click on it and you are ready to go.
If you website in wordpress then it could be very easy to start and create blogging for your website but if you website in any other platform instead of wordpress your need to install wordpress on your directory then you need to connect it with your website.