User blog comment:Neon Girl Star/I don't seem to have access to Visual mode/@comment-477304-20140114170418/@comment-477304-20140114182906

There no such thing as Windows 11, I clicked that link and I believe what you meant was Windows Internet Explorer 11 which is a web browser. If you're using that, that may be why you can't access the visual editor, but like I said, I would recommend using the source editor.