Record log files in network

Hi, i want to record internet log files, every pc in my network. But i need to keep log files at my server. how can i do? Which programme would you recommended to me? Sorry about my English. Thanks.
Answer #1
use keylogger……….
winvestigator
prefect keylogger
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Answer #2
thers somethign called “PC Activity Monitor Professional ” u can give a try
Answer #3
If you have proxy to share internet for your network, find option on your proxy.