# Installing new nodes

## NOTICE

Only install modules from trustworthy sources. Observe individual IT security policies.

## NOTICE

The installation of a module fails, if it requires compiling source code on the controller or relies on external dependencies that are not installed. Please check the package and its dependencies before installing it. If the installation of a module fails, check the debug sidebar of Node-RED.

New nodes extend the functionality of u-create web. These nodes are contributions by other Node-RED users, provided under free licenses. You can install new nodes via the built-in npm package manager. Multiple nodes are frequently grouped into modules.

1. The controller must be connected to the internet in order to install new nodes.
2. The PC via which you use u-create web must be connected to the internet in order to view the node's documentation.

1. Open Node-RED.
2. Click ☰ to open the Node-RED menu.
3. In the Node-RED menu, click Manage palette.
4. The User Settings dialogue is opened.
5. Click the Install tab.
6. In the text box search modules, search for the module you want to install.
8. Click the install button next to the module you want to install.
9. An installation dialogue is opened.
10. Click Open node information to read the module's documentation. The documentation is created and maintained by the creators of the module.
11. Observe the documentation. The documentation contains information about usage, licensing and dependencies as well as links to the public repository and npm.
12. If you decide to install the module, click Install.

1. The module is installed.

Managing installed nodes