Google Search console help needed urgently

Pls webmasters in the house, I tried setting up my site address move in google console because I purchased a new domain but am hooked up with the number two option. Please what should I do. Below is the screenshot.Screenshot_20171217-002838

I don’t know how you can do 301 redirect on Blogger.

Okay Thanks man

purchase a domain and map it to your old site

Pls how can I do it b/c I have purchased a domain name and what I want to do is change of address in google console

purchase a domain name for d old site and map it to blogger thats all. Then submit d new .com site to search Console

I have a domain name which is so Pls what do you mean by mapping