Install Jump Force on PC
Launch the game
Sign in to your Steam account
Make sure your internet connection is active
Complete the game’s initial setup
Reach the main menu
Select Online mode
Choose the multiplayer option you want
Join a lobby or create a lobby
Invite friends through Steam if needed
Select your character and settings
Start the match
Keep the game and Steam client updated
Check that your firewall or antivirus is not blocking the game
Verify that your account is connected properly to online services