To program Arduino Uno, Nodemcu we need Arduino IDE. We will Learn How to install an Arduino IDE on a PC.
For installing Arduino IDE follow the steps below
Go to Arduino Official Website https://www.arduino.cc
Click on software or click on this Arduino Software (IDE)
Go to Download the Arduino IDE and click on any of the following
Here I am using Windows 10 so I click on Windows Installer. You can choose as per your requirement.
On the Contribute to the Arduino Software page just click on just download
After downloading complete go to your dedicated folder and right-click on the software and click on Run as Administrator as shown below
After this step click on agree button and next
While installing it will ask for confirmation about install the driver just click on the install button as shown below
Finally, installation is complete just click on the close button
Finally, you have completed the installation. After installation complete
Go to windows bar/search bar of PC and type Arduino
And just click on the Arduino icon and it will open like below image
You can also watch the video, the link is given below.