How to install H2O Flow or Web UI?

H2O is an open source interactive platform for conducting numerous machine learning and deep learning tasks with significant ease. has APIs for Python, R and Web UI based flow etc. to make artificial intelligence and machine learning tasks easier for all of us. You can read more about H2O in this link- or  for more detailed documentation over the  link here-

In this article, we will show you how to install for doing machine learning and deep learning using the web user interface flow.

Step 1– Make sure you have the latest version of the Java installed on your system as H2O uses Java for activities. If you do not have Java installed head over to for free download

Step 2–  Next, head over to the official webpage for installation link-

Step 3– Download the latest version ( around 350 MB download size)


Step 4- You will see it in your download folder


Step 5– Unzip the files in a folder. For example-


Step 6–  Open Command Prompt and change directory to the location where H2O unzipped files are located. For example-

cd C:\Users\RP\Downloads\h2o-\h2o-


Step 7- Run Java  jar command

java -jar h2o.jar

Step 8- Open interface by typing the below URL your browser. You should see something like below-



That’s it. You are all set to start building your machine learning and deep learning models using H2O. Next time whenever you want to run H2O, you need to run Steps 6, 7 and 8 only.