Download Community Edition

Where Do i download the community edition from. Desktop version not allowing my to install on my laptop.

i have downloaded the Neo4j community server (neo4j-community-3.5.6-windows) on desktop but i am not able to run the neo4j.bat to install and run server file through command prompt, it is giving out error as powershell not identified as an internal or external command. I have set windows powershell in the environment variable path as well.