> ## Documentation Index > Fetch the complete documentation index at: https://docs.tuple.app/llms.txt > Use this file to discover all available pages before exploring further. # Network To open your preferences, click your avatar at the bottom left of the Tuple popover and select **Settings** from the dropdown: Tuple avatar menu with Settings selected on Windows You can also use the keyboard shortcut **ctrl+,**. This will bring up the settings window. You can then select the **Network** tab: Settings window with the Network tab selected on Windows ### Force TURN Enabling this will force your calls to use a [TURN server](https://en.wikipedia.org/wiki/Traversal_Using_Relays_around_NAT). This is useful if you're on a network that has known P2P issues. ### Force Media Server Enabling this will force Tuple to use a media server for screen sharing. Again, useful on networks with known P2P issues.