Install Overcooked on all PCs
Make sure all players use the same game version
Connect all PCs to the same internet network or use online multiplayer support
Launch the game on the host PC
Choose Multiplayer from the main menu
Create or host a lobby
Have other players select Join or Search for Lobby
Invite friends through the platform you are using, if supported
Start the match once everyone has joined
Use voice chat or text chat to coordinate during gameplay