Before you begin, it's important to differentiate between the two types of 3D data you can get:
For professionals, plugins like PlaceMaker use Google APIs to instantly import 3D buildings and terrain directly into SketchUp. Important: Legal and Commercial Restrictions download 3d map from google earth
Tools like this allow users to select a region and export it directly as an FBX or glTF file. Before you begin, it's important to differentiate between
Google's Terms of Service are strict regarding the use of its data. Google Earth 3D Map Export as FBX | Blender 5.1 Workflow Google Earth 3D Map Export as FBX | Blender 5
Elevation profiles and simple building footprints.
To get the actual photorealistic city meshes, you must "intercept" the data as it renders on your screen. This requires a technical setup often used by 3D artists.
Open Google Earth Pro and navigate to your target location.