It is important to learn how to set up a Workspace template. This will allow you to set up the workspaces of new users within seconds. After completing the steps in the document, you will be able to set your workspace as a template.
As an Administrator, you can save a template of your current Workspace. This means the template is updated with all of the Personal App Groups that the Administrator has set in his own Workspace. Or you can return to the default workspace.
Log in to Workspace 365. Navigate to “Settings” -> “Workspace management”
You can choose werther you want to set your own template for only "New users" or also "New and current users".
If you will choose "New users", only new created users will have the exact same workspace. Existing users will not be updated. For "New and current users", all exiting users and new users will have the same workspace. Keep in mind that you will overwrite all current personal workspaces.
Note: The template contains only the Personal App Groups. Shared App Groups have to be organized in a different way explained in here.