Infura provides free and the most widely used Ethereum nodes.
How to Get a Free Ethereum Node via Infura
Estimated time: 5 minutes
3 - Name your project. !(/assets/img/infura3.png)
4 - Voila! Now you have created a project. !(/assets/img/infura4.png)
5 - Click on your project, scroll down, and you'll find your Ethereum node as shown in the highlighted area. !(/assets/img/infura5.png)
!!! tip If you lose your Ethereum node url, you can always delete the project and create a new one.