co-host

Hi @GeertVandewalle ! Welcome to the Zoom Community 👋

Do you meet the following prerequisites? 

• Zoom desktop client
  • Windows: version 3.5 or higher
  • macOS: version 3.5 or higher
  • Linux: version 3.5 or higher
• Zoom mobile app
  • Android: version 3.5 or higher
  • iOS: version 3.5 or higher
• Pro, Business, Education, or API Partner plan

https://support.zoom.us/hc/en-us/articles/206330935-Enabling-and-adding-a-co-host