The console must be enabled both in the game client and on the server.
- Open your Steam library.
- Right-click Valheim and select Properties.
- Under General, locate Launch Options.
- Enter -console.
- Close the dialog and start the game.
- In the server-management panel, open Commandline Manager.
- Click Select next to the command line containing +Console.
- Start the server.
- Connect to the server and press F5. Administrator rights are required; administrators can be configured under Configuration Files.