View menu -> Show/Hide .. choose Connections will bring up the connections window.

'If' you bought LW pro .. then they'd have sent you an email with a link to your personal download page which you should bookmark. If no such email, then I doubt you bought LW from the 'Official' site; Known Scam Sites (click on link).

Limewire.org do NOT advertise so if you clicked a link in a google or other search engine link then chances are you ended up at a scam site.