Set up a home site in SharePoint Online

Home site is a SharePoint site that you create and set as the top landing page for all users in your intranet.

• Home site is required for customizing global navigation under SharePoint App bar
• Home site is required for using Microsoft Viva Connections in Microsoft Teams desktop
• You can set only one SharePoint site as a home site which must be a communication site.

check more details & steps on how to set up a home site in SharePoint online.

Link to article: Set up a home site in SharePoint Online