I think the tutorial might be on a different version of Neo4j. To compare versions between the tutorial and your browser, click on the Database Icon here:
And then scroll to the bottom to find out the Neo4j version:
For the most part, it's always better to be on the latest version of Neo4j which I think is 4.2.1 as of today. It's also preferable to have the latest versions of the plugins installed too like APOC and the Graph Data Science Library.