Video Redirect Blogspot

How can I automatically redirect my visitors from blogspot to my new site? I find this video especially for the bloggers who want to change the blog address from example.blogspot.com to example.com easily we change it, and first we have to purchase the domain. You can also find free domain or buy them with, depending on the package provided. why I post this article when I have not I buy a domain, but if insyaallah have money falling from the sky I will buy them directly, amin, the blogger prayer me yah^^