Is here any means of access to control a remote workstation only just by merely knowing their IPs?...or you still have need of to install some sort of backdoor programs?..
Answers:
Knowing someones IP is close to knowing their phone number! Just because you hold it doesn't mingy that when you christen it you will find an answer.
You involve to know how to catch that number to answer.
(That is just about ALL the information that I would impart you.)
Oh man! Don't do it, you're gonna win busted!
no software desires to be installed
you will prob be arrested, lol. Hacking is Illegal and DONT DO IT!