How do i open my router so i can host games

How do i open my router so i can host games

I know this may not be in the right forum but i didnt know where else to post this so yeah

Could anyone inform me on how to open my router
i would like to state that my port is already at 6112 so yeah...

If you are going through someone else's router, they will need to add your IP to their system to allow for the transfers need to play online games.
-VGsatomi

yeah...

im only useing my computer