Click the "Search resources, services, and docs (G+/)" field.

Here are the groups. You can add or remove groups from here.

To add or remove users from groups, click "Members"

Click this field and search for the users you want to update.

Azure

portal.azure.com

This guide explains how to navigate to the Entra ID portal, find and manage groups, and add or remove users from these groups. Following this guide will help users efficiently manage their Entra ID membership and ensure that the right users have access to the right resources.

How to Access and Manage Members in Microsoft Entra ID (formerly Azure AD)