Download Smart Steam MU and extract it into your RE6 directory.
Check the bottom corner of the main menu screen on both PCs to verify the build version number. Ensure both players are using identical game files.
Once both PCs show up in the Radmin room with green indicators, launch Resident Evil 6.
The Host player should start the campaign or Mercenaries mode and select .
Press Windows Key + I to open > Network & Internet .