Download and extract the Unravel binaries of the Unravel version that you want to upgrade/downgrade to.

Stop Unravel.

manager stop

Activate the version that you want to upgrade/downgrade to.

manager activate <Unravel-version>

Configure unravel using the following commands:

<Unravel installation directory>/manager config auto
<Unravel installation directory>/manager start
<Unravel installation directory>/manager report

These will configure Unravel, start the daemons, and check the status of the daemon processes.