1. Access the {% data variables.product.prodname_vscode_command_palette %} (<kbd>Shift</kbd>+<kbd>Command</kbd>+<kbd>P</kbd> (Mac) / <kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>P</kbd> (Windows/Linux)), then start typing "dev container". Select **Codespaces: Add Development Container Configuration Files...**.

   !["Codespaces: Add Development Container Configuration Files..." in the {% data variables.product.prodname_vscode_command_palette %}](/assets/images/help/codespaces/add-prebuilt-container-command.png)