Hey!
Free blogging platform - WordPress. ( That's what I use and suggest.)
Well Blogspot might seem a bit easier than WordPress but if you want to explore and try out various designs and themes, go for wordpress.
Lovish Mahey
I'am Lovish Mahey, Specialized in marketing research and analysis. Current focus is blogging and home based affiliate business as a work-at-home scheme and freelance writer on topics related to Website Optimization (SEO), Blogging, and Tech. And also specializes in SEO, HTML, CSS and Photoshop.