After the download completes, distribute and activate the parcel.
Step 4: Install services
Go to your CM main page, and click on "Add Service":
Select the Nifi service:
Select the host onto which you want to install Nifi:
Click on next and wait for the service to install.
Step 5: Profit
You can now go to your Nifi URL:
Bonus: Changing election timeout
By default, the nifi.cluster.flow.election.max.wait.time property is set to 5 minutes, which can be confusing by giving rise to a log message like Cluster is still in the process of voting on the appropriate Data Flow. You can modify the property by adding it to the nifi.properties.xml in CM, as follows: