Hello there. I’ve changed my blog’s name from RITM4Dead to Rodrigo 4 Dead and I’ll like to change the domain to match it. Thing is, I can’t find that option in General Settings and the WordPress.com Support on sub-domains displays an old theme of WordPress.com, since now it’s very different.
So, could someone help me?
You can’t put spaces in a URL, but you can just go ahead and register Rodrigo4Dead.wordpress.com and transfer your content into it if you want. Set the old blog to Private, so you have a blog to test themes and widgets on.