I am on LAN and internet connection is slow because of multiple users. My connection is also coming from someone else.
Can I control/get more speed than others?
Is any software out there to do this?
If your router supports Quality of Service (QoS), you can set QoS priority based on application, protocol, port, IP or Mac address, etc.
You say you are getting your internet from someone else. So basically you do not have control over router settings correct?