You can find more information about the PowerShell commands used in this recipe on Microsoft Docs:
- Publish-NavApp: https://docs.microsoft.com/en-us/powershell/module/microsoft.dynamics.nav.apps.management/publish-navapp?view=businesscentral-ps
- Sync-NavApp: https://docs.microsoft.com/en-us/powershell/module/Microsoft.Dynamics.Nav.Apps.Management/Sync-NAVApp?view=businesscentral-ps
- Install-NavApp: https://docs.microsoft.com/en-us/powershell/module/microsoft.dynamics.nav.apps.management/install-navapp?view=businesscentral-ps
You can also find out more about installing applications here: https://docs.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-how-publish-and-install-an-extension-v2.