In this post, we learn how to install Node-RED in a window or any OS. This is a part-1 of this playlist. So, let’s start. There are some instructions to install Node-RED in your machine. Step-1 : Download the Node.JS software from the link. The link is given in the below image: Step-2 : Set the path of Node.js in OS environment variable, for the set, the path sees the instruction is given below images. Step 3: Now check that path is correctly set or not for this: · Open the CMD prompt · Type the command NPM · And if this gives any response then the path is successfully set otherwise check again: Step 4 : Now download the second software mosquitto. For download it sees the instructions in given below image: Step 5: Set the path of mosquito MQTT broker in the OS environment variable. For set the path sees the instruction at the given image: Step 6: Now let’s check the path is successfully set or n