Does Neo4j Desktop version has a license for the lab class of 10 students?
Neo4j Desktop can be downloaded by any number of people for free. If you are looking for assistance as a professor/educator, feel free to check out the Neo4j Educator Program (Neo4j Educator Program - Graph Database & Analytics), which includes how to install Neo4j Desktop in classroom lab setups, as well as some content for teaching Neo4j-related concepts!