The user guide provides step-by-step instructions for the currently supported Multisite features:

• General Setups
  • Full Multisite Migration or Backup
  • Standalone > Multisite-Subsite
  • Multisite > Setup as Subdomain
• Subsite Setups
  • Multisite-Subsite > Standalone
  • Multisite-Subsite > Multisite-Subsite – Different Network
  • Multisite-Subsite > Multisite-Subsite – Same Network

Note: All MU features apart from full site migration require Duplicator Business or Gold editions.