Neo4j 4 upgrades and migration

It is recommended to read the Introduction section before continuing.

For critical systems, it is recommended to:

Perform the upgrade in a test environment.
Back up your current deployment, including databases, configuration, and encryption keys to avoid losing data in case of failure. If you are upgrading a cluster, back up each of your cluster members.

To gain a better understanding of the upgrade and migration in Neo4j 4, read the following pages in order:

Then, follow the instructions in the folder for the upgrade/migration you want to perform.