How To Make Subdirectories

EDIT: I feel dumb now.

Serious question?

Is this for a shared/cloud hosting account, or vps/dedicated hosting?
If it's for a shared hosting account, you would use the packaged control panel (cPanel, Plesk etc - most likely cPanel).
If it's a dedicated hosting account, you may also have a control panel - but alternatively you can edit your apache files (httpd.conf and httpd-vhosts.conf).

I figured it out, I feel very dumb after doing so.

If I had a dollar for every time I was stumped by something that should be stupidly easy, I would be a billionaire by now... Unfortunately I don't get a dollar for every time I'm stumped - so I'm still poor