Running a single instance of ArangoDB is the most simple way to get started.
It means to run the ArangoDB Server binary
arangod stand-alone, without
replication, without failover opportunity and not as cluster together with
You may run multiple processes of
arangod side-by-side on the same machine as
single instances, as long as they are configured for different ports and data
folders. The official installers may not support multiple installations
side-by-side, but you can get archive packages and unpack them manually.
The provided ArangoDB packages run as single instances out of the box.