Solve : Multiplayer in all games on computer not working 2?

1.	Solve : Multiplayer in all games on computer not working 2?
Answer» This is the SECOND time i am asking this Before i had no clue what to do and then i thought it was the SERVERS that where a problem but i looked at adding and playing servers from other software like "arma 3 sync" but it doesn't work. So my friend says it is my ports that are a problem and used alot of software and windows firewall to add and ENABLE ports but its still not working please help i have no idea what else to do i have tried everything i know sofar!!!!!!!!!!! Please don't POST the same QUESTION more than once. Thank you. I'm locking this thread.

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