Upgrade version from 9110 to 9311

Upgrade version from 9110 to 9311

Dear All,

I'm using ServiceDesk version 9.1 Build 9110.

I built a new instance with latest version: 9.3 Build 9311

Please help me, how to migrate database from old instance to new instance?

Thanks you so much for you support.

Regards,
NAM.

                  New to ADSelfService Plus?