Before i tell you how, I need to ask you, do you know what is a blog.
A blog is a page where you write and tell your thoughts to the world.
You can either set a personal blog or a business blog.
You can create a blog using WordPress , blogger, nobedad or any other blogging network out there. Many use wordpress due to security and easy to use.
Blogger is good for free hosting and domain name adding
You can buy a domain from kenya web experts or hostpoa in kenya
How to make money blogging
Affliate marketing
You can try affliate marketing sell products for other company in your blog take a look at jumia affiliate and kilimall affliate
I use kilimall affliate in my blog
Sell ads space
I have never tried this but from other idea 😄😄 they say its better to sell your blog space and make money on it than use ads networks when you have low traffic to your site.
Sell ebooks
Selling ebooks is good you set your own price. Actually if you don't have an ebook just try ebook affliates programs
ads networks
This is a good option the only thing you must do is make sure your using a genuine ad network like adsence
Write reviews
You can create a blog and start writting paid reviews just review company products and services