# Configuration screen
Opening the configuration screen depends on the application and sometimes the operating system you are using.
## Desktop application
As a shortcut you can press Ctrl+, on Windows and Linux, or Cmd+, on macOS.
### Windows and Linux
In the menu, click on **Tools > Options**.
Or press Ctrl+,.
### macOS
In the menu, click on **Joplin > Preferences**
Or press Cmd+,.
## Mobile application
Tap on the **burger icon ≡** in the top left corner, and select **Configuration**.
## CLI
Type `:help config` for information on how to set config values and for the complete list of available options.
Type `:config` to list all of the currently-set options and values.
Type `:config [option] [value]` to set `[option]` to `[value]`.